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Description: The FR 2C53P is a portable, handheld instrument combining an oscilloscope, a multimeter, and a DDS signal generator in one compact unit. It features a touch-screen interface and is suitable for diagnostics, electronics prototyping, field service, and hobbyist work. Key Features: 2 analog channels, 50 MHz bandwidth Real-time sampling: up to 250 MSa/s 3-in-1 functionality: oscilloscope + multimeter + signal generator Multimeter functions: DC/AC voltage, current, resistance, capacitance, diode, continuity Signal generator: up to 10 MHz output (various waveforms) 4.3-inch IPS touch screen (480 × 272) Built-in 4000 mAh lithium battery for portable operation Save / export waveform images and data via USB / interface Max measurable voltage ±400 V with 10× probe mode

Description & Key Features: Single channel (1 input) handheld digital oscilloscope with 110 MHz analog bandwidth Real-time sampling rate: 500 MS/s Memory depth: 12 kpts Vertical sensitivity: 20 mV/div up to 100 V/div (with x1 / x10 probe) Time base range: 5 ns/div to 10 s/div Trigger modes: Auto / Normal; edge trigger (rising/falling) Display: 2.4-inch LCD, resolution 320 × 240 px Built-in 1 kHz calibration square wave (for probe compensation / calibration) Storage / waveform saving capability: can store snapshots and compare with real-time waveforms. Battery: 3000 mAh rechargeable battery, supports >10 hours operation Protective housing: silicone sleeve for anti-slip, shock absorption and drop protection

Description: The FR 5012H (also known as FNIRSI 5012H) is a compact, handheld digital oscilloscope designed for diagnostics, maintenance, and R&D use. It offers a 100 MHz analog bandwidth with real-time sampling up to 500 MS/s, making it capable of capturing fast signal transitions. The device includes a 2.4-inch color TFT display (320×240), supports waveform storage and reviewing, and is protected by a silicone anti-slip / shock sleeve. It is battery powered (3000 mAh) for portable operation, offering hours of use away from mains power. Features: 100 MHz analog bandwidth with 500 MS/s real-time sampling for capturing fast signals. 2.4-inch TFT color LCD (320×240) with clear waveform display. Vertical sensitivity: 50 mV/div to 100 V/div with time base: 50 s/div to 6 ns/div. High-voltage protection: up to 80 V (1× probe) and 800 V (10× probe) input. Waveform storage: built-in memory stores up to ~2,000 waveform snapshots. Trigger modes: Auto / Normal / Single with rising or falling edge trigger. Rechargeable 3000 mAh battery offering about 8 hours of portable use. Protective silicone sleeve for anti-slip, shock resistance, and durability.

Description The DSO153 is a compact, handheld digital oscilloscope that also includes a built-in DDS signal generator. It is designed for hobby, education, and light diagnostic work, offering portability and essential oscilloscope functions in a small form factor. Key Specifications & Features: Bandwidth: 1 MHz Sampling Rate: 5 MS/s (real-time) Voltage Input Range:   • In 1× probe mode: ±40 V (Vpp = 80 V) • In 10× probe mode: ±400 V (Vpp = 800 V) Time Base (Horizontal) Range: 500 ns/div to 20 s/div Vertical Sensitivity: 10 mV/div up to 10 V/div Trigger Modes: Auto / Normal / Single; Edge triggering (rising/falling) Signal Generator (DDS): Up to 10 kHz output, supports ~14 waveform types (sine, square, sawtooth, etc.). Display: 2.8-inch TFT LCD, 320 × 240 resolution Battery & Power: Built-in 1000 mAh Li-ion battery, gives ~4 hours of operation; USB-C charging.

Description: A compact handheld digital oscilloscope for low-frequency signal testing. It offers a 200 kHz bandwidth, clear 2.8-inch color display, built-in battery, and simple one-key AUTO setup for quick waveform capture. Key Features: 200 kHz analog bandwidth with 2.5 MS/s sampling rate Single-channel input with AC/DC coupling 2.8-inch TFT color display (320 × 240 px) Voltage range up to ±40 V (X1) / ±400 V (X10 probe) Time base: 10 µs/div – 50 s/div Trigger modes: Auto, Normal, Single Built-in 1000 mAh rechargeable battery (≈ 4 h use) Lightweight pocket design with USB-C charging

Description: The FNIRSI DSO-510 is a compact handheld test instrument combining a 10 MHz single-channel digital oscilloscope with a built-in DDS signal generator. It’s designed for hobbyists, electronics students, and field diagnostics, allowing both signal viewing and test signal generation in one device. Key Features: 10 MHz analog bandwidth for the oscilloscope channel Real-time sampling rate up to 48 MS/s Single-channel input (one oscilloscope channel) DDS signal generator with multiple waveform types (sine, square, triangle, etc.) Maximum signal output frequency (generator) up to ~50 kHz Voltage measurement range: up to ±400 V (using suitable probe) Time base (horizontal scale) covering from ~50 ns/div to 20 s/div (various ranges) Trigger modes: Auto, Normal, Single Display: 2.8-inch TFT LCD, 320 × 240 resolution Built-in 1000 mAh rechargeable battery; ≈ 4 hours usage per charge USB-C charging interface (5 V) One-key AUTO adjustment for quick setup

Description: The SG-002 is a compact portable calibrator/signal generator capable of sourcing both voltage and current (for e.g., 4-20 mA loops) for testing, calibration, or simulation of industrial instrumentation circuits. Key Features: Voltage output range: 0 to 10 V (adjustable) Current output range: 0 to 22 mA (adjustable) Output accuracy: typically 0.01 V for voltage and 0.01 mA for current (after calibration). Supports both active and passive loop connections Power: internal 3.7 V lithium battery (≈ 1100 mAh) External power/charging: via micro-USB, 5 V (with different currents for charging or operation) The display shows voltage/current and allows switching modes via a knob/encoder and "MODE". It can switch between voltage and current modes with a key press (MODE). Calibration and precision adjustment are possible via internal settings or calibration procedures (per manual)

Description: The SG-004A is a palm-sized multifunction signal calibrator capable of sourcing and measuring a variety of industrial signals (current, voltage, thermocouples, resistance, frequency, etc.). It is used for calibration, loop simulation, instrumentation testing, and process control tasks. Key Features: Sources and measures voltage, current, millivolts, resistance, thermocouples, frequency / PWM signals Current (mA): 0.000 to 24.000 mA (active & passive) Voltage: 0.000 to 24.000 V Millivolt (mV): –10.00 to 100.00 mV Frequency / PWM: 0 to 9,999 Hz Thermocouple support: many types (K, J, E, T, R, S, B, N, etc.) with automatic cold junction compensation 12 V / 24 V loop power selectable (to power external transmitters) Programmable output modes: stepping, ramping (rise/fall, cyclic) Real-time curve display and history recording (up to ~100,000 records) Communication: USB (for firmware upgrade, emulated U-disk), Modbus slave support Built-in rechargeable battery: 3,000 mAh, USB-C charging, supports long standby (≈24 h) Durable construction: ABS shell, rubberized housing edges for shock protection

Description: The DMT-99 is a “smart” digital multimeter with a colour TFT display, designed for general electronics, automotive, lab, and field use. It supports multiple measurement modes (voltage, current, resistance, capacitance, frequency, temperature, etc.) and includes advanced features like recording/monitoring and non-contact voltage detection. Key Features: Display: 2.4-inch full-color TFT, resolution 240 × 320 px Measurement Capabilities: • DC/AC voltage (up to ~1000 V) • DC / AC current up to 10 A • Resistance, capacitance, frequency/duty cycle, temperature, diode, continuity, etc. Smart / “Intelligent” Mode: auto-identifies measurement type and selects appropriate range. Recording Mode: can record data over time and display history curves. Monitoring Mode: set thresholds, alarm when values exceed limits Non-Contact Voltage (NCV) / Live-wire detection Overload & protection: fuse protection for current inputs, anti-burn design Battery: 1500 mAh rechargeable lithium battery (USB charging) Safety / Rating: Category III up to 1000 V (for certain ranges)

Description: The S1 Smart DMM is a handheld intelligent digital multimeter with a large-screen display and auto-identification capability. It is designed to simplify measurement by automatically detecting the signal type and protecting against wrong-range selections (anti-burn). It also includes non-contact voltage detection (NCV), a built-in flashlight, and a rechargeable battery. Key Features: Measures AC and DC voltage up to 1000 V RMS. Auto-identification / “smart” mode: no need to manually select many ranges. Intelligent anti-burn/overload protection to avoid damage from wrong connection/range. Measures resistance up to 100 MΩ. Measures capacitance (range 0 nF to 10 mF) Frequency measurement up to ~10 MHz Measures temperature over a wide range (−20 °C to 1000°C). Diode test, continuity, NCV/non-contact voltage detection (sound & light alert) Built-in flashlight/LED for working in dim environments Data hold, auto range, auto power off Rechargeable lithium battery (1000 mAh) via USB-C Large color display (“dual display”) for clarity

Description: The FNIRSI LCR-ST1 is a miniature smart tweezer-style LCR/ESR tester designed for measuring small surface-mount (SMD) components (resistors, capacitors, inductors, diodes) quickly and conveniently. It uses tweezers as probes so you can clamp directly onto a component instead of needing external leads. It operates in “auto mode” to recognize the type of component under test, and can also show derived parameters such as ESR, dissipation (D), quality factor (Q), impedance (Z), etc. Key Features: Supports measurement of resistance (R), capacitance (C), inductance (L), and diode test. Test frequencies selectable: 100 Hz, 1 kHz, 10 kHz Test voltage levels: 0.3 Vrms and 0.6 Vrms Component recognition / auto mode: the device attempts to detect whether the component is a resistor, capacitor, or inductor and displays the appropriate parameter. Parameter display: shows R, Z, D, Q, ESR, X and other derived values in addition to the main measurement. Memory & data export: stores measurement records internally, and you can connect to a PC (via USB) and export data (e.g., CSV). Replaceable tweezer tips/heads (e.g. pointed, hook) to allow better contact types in different situations. Auto shut-off, data hold, auto zero (calibration) of the tweezers when tips are shorted (zeroing out residual resistance) Firmware upgrades are possible via USB (Type-C). Lightweight and compact design for handheld use in labs, repair benches, and fieldwork.

Description: The GC-01 is a handheld Geiger counter / nuclear radiation detector meant to detect ionizing radiation such as gamma rays (γ), X-rays (X), and beta particles (β). It uses a Geiger–Müller (GM) tube (energy compensation tube) to count ionization events and convert them into readings of dose rate and cumulative dose. It is used for environment monitoring, radiation safety checks, material testing (e.g. marble, ores), and personal or industrial radiological safety purposes. It offers visual and audible alarms, selectable units, and user-set thresholds for alerting when radiation levels exceed safe limits. Key Features: 1. Detects gamma (γ), beta (β), and X-ray radiation. 2. Dose-rate range: 0.00 – 10 000 µSv/h (0 – 10 mSv/h). 3. Cumulative-dose range: 0.00 – 500 mSv. 4. Energy response: 48 keV – 1.5 MeV with ±30 % accuracy (calibrated on ¹³⁷Cs). 5. Displays in multiple units: µSv/h, µGy/h, mR/h, CPS, CPM. 6. Visual, audible, and vibration alarms** with user-set thresholds for both dose rate and cumulative dose. 7. LCD display with numeric and bar-graph readout; Chinese/English language option. 8. Built-in 1100 mAh Li-ion battery with USB charging. 9. Compact, hand-held design for environmental monitoring, material screening, and personal safety checks.

Description: The ERD-10 is a handheld, multifunction electromagnetic radiation detector designed to monitor environmental electromagnetic fields. It supports measurement of electric fields (E-field), magnetic fields (H-field/B-field), radiofrequency (RF) power, and ambient temperature. It includes a colour display with curve mode, adjustable backlight, data hold, alarms, and USB-C charging. It is useful in a variety of settings — homes, offices, near electrical panels, or electronic devices for assessing possible EMF exposure or identifying strong field sources. Key Features: Measures electric field strength from 1 V/m to 1999 V/m, with 1 V/m resolution and ±1 V/m accuracy. Measures magnetic field strength from 0.01 µT to 99.99 µT, with 0.01 µT resolution. Measures radiofrequency radiation power in the range 0.2 to 1000 mW/cm² (e.g., RF/microwave exposure). Displays ambient temperature (°C) along with field readings. 2.4-inch colour LCD display with brightness adjustable backlight. Data hold function to freeze the current reading. Alarm thresholds: configurable for electric field (default 40 V/m) and magnetic field (default 0.4 µT). Auto power off selectable (off / 5 / 10 / 15 minutes) to save battery. USB-C charging (5V / 1A), with a built-in 1000 mAh battery. Bilingual interface (English/Chinese), firmware upgrade support, and system settings (volume, display, reset).

Description: A handheld digital sound (noise) level meter designed to measure sound pressure levels (decibels) in environments such as offices, factories, classrooms, etc. It includes A-weighting, fast/slow response, Lan LCDdisplay, auto power-off, data hold, and ba built-inbattery. Key Features : Measuring range: 30 to 130 dB Accuracy: ±1.5 dB (with reference 94 dB @ 1 kHz) Frequency response / range: 31.5 Hz to 8.5 kHz Resolution: 0.1 dB Display: 4-digit LCD, with dynamic (bar) scale; backlight display in some versions Response modes: Fast / Slow selection for measurement speed vs stability Data hold, Max / Min / Average readouts Measures ambient temperature and humidity as auxiliary data Auto power-off after idle period (e.g. 15 minutes) Microphone: 6 mm condenser / electret microphone Power: built-in lithium-ion battery, ~600 mAh, rechargeable via USB-C

Description: The FNIRSI NVS-20 is a single-lens (monocular) digital night vision scope that works in both day and night conditions. It supports 4K video recording, captures still images, and uses infrared illumination for full darkness. The device uses digital image processing to enhance low-light visibility, and includes zoom, IR brightness control, and recording/storage capabilities. Key Features: Video recording in 4K (3840 × 2160) plus support for lower resolutions (2K, 1080FHD, 720P, VGA, QVGA) Photo / still image capture up to 36 MP resolution Electronic zoom: up to 6× digital zoom Observation distance:   • In low light / daytime: from ~2 m to infinity   • In full darkness: up to 300 m using infrared illumination (850 nm) Infrared light: 850 nm IR LED, with adjustable levels (multiple IR brightness steps) White balance modes: automatic and manual (daylight, cloudy, tungsten, fluorescent) ISO settings: auto and fixed options (100, 200, 400, 800) Screen: 1.54-inch HD IPS display for viewing mode, playback, menu Storage: TF (micro SD) card slot (e.g. up to 32 GB) to save videos and images Power: internal 18650 Li-ion battery, rechargeable via USB Type-C (5 V / 1 A) Operating temperature & humidity: approx –5 °C to 40 °C, humidity 0–80 % Interfaces & extras: supports firmware updates via USB, 1/4" tripod mount, multi-language Compact & portable design for handheld.

Description: The NVS-40 is a digital night-vision binocular device (dual lens) that supports 4K video recording and is usable in both day and night conditions. It has built-in infrared illumination for full darkness, a colour display, electronic zoom, image processing, and multiple settings like white balance, ISO, and firmware upgrades. Because it's binocular, it gives a stereoscopic/dual-lens viewing experience rather than a monocular view. Key Features: 4K video recording (3840×2160) with support for lower resolutions (2K, 1080p, 720p, VGA, QVGA) Photo capture at various megapixel ratings (e.g. 36 MP, 32 MP, etc.) Electronic zoom up to 6× digital zoom Observation distance:   • In daylight / low light: 2 m to infinity   • In full darkness (using IR): up to ~ 300 m Infrared (IR) illumination: 850 nm, with multiple brightness levels / IR levels White balance modes: Auto, daylight, cloudy, tungsten, fluorescent, etc. ISO settings: auto and manual (e.g. 100, 200, 400, 800) Display: 3.0-inch HD IPS color screen for viewing and menu control Storage: TF (micro SD) card slot (e.g. up to 32 GB) for video / image saving Power: internal 18650 rechargeable Li-ion battery, charged via USB Type-C (5V / 1A) Operating temperature & humidity: approx –5 °C to +40 °C, humidity 0–80 % Firmware upgrade capability via USB Dual-lens / binocular design for stereoscopic viewing Some water / weather resistance (IPX level) cited in some specs (e.g. IPX6)

Description: The WD-01 is a multifunction wall scanner (stud finder) that detects hidden objects behind walls, floors, and ceilings. It can locate wood studs, metal pipes, live AC wires, and non-ferrous metal. It provides depth estimation, visual and audible alerts, and a center positioning hole for marking drilling points. Key Features: Detects metal objects (e.g. rebar, metal pipes) up to 120 mm depth Detects non-ferrous metals (copper, etc.) up to 100 mm depth Detects live AC wires up to ~ 50 mm depth Detects single-strand copper wire (≥ ~4 mm²) up to ~ 40 mm Detects wood / foreign (non-metal) objects / studs (in “Exact / Precise” and “Depth” modes) LCD display with depth, material type, signal strength, and icons for detection mode Visual indicators (LED, colored lights) and audible beep/alarms when target is located Center positioning hole for easily marking the drilling point after detection Two detection modes (e.g. “Exact / Precise” vs “Depth / Deep”) for different wall thicknesses and sensitivity Automatic calibration / zeroing before use (to reduce false readings) Type-C USB rechargeable battery (3.7 V, 300 mAh) Auto shutdown after ~5 minutes of inactivity Operating temperature / humidity specifications, storage ranges, etc.

Description: The WD-02 is an upgraded wall-scanning instrument designed to detect hidden structural and utility elements behind walls, ceilings, and floors. It can locate metal objects (steel bars, copper pipes), live AC wiring, and non-metal (wooden) studs. The WD-02 features a high-resolution TFT display, multiple detection modes, and increased sensitivity compared to earlier models. It is used by builders, electricians, plumbers, and DIY enthusiasts to avoid drilling into wiring or pipes and to help find supporting members in construction or renovation tasks. Key Features: Multiple detection modes: Metal mode, Wood / “foreign object” mode, and AC / live wire mode. High detection depth: • Ferrous metal (steel): up to ~120 mm • Non-ferrous metal (copper, pipes): ~100 mm • Live AC wires: ~50 mm depth • Single-strand copper wire (≥ ~4 mm²): ~40 mm • Wood / studs (“foreign object”): in “Exact / Precise” mode ~20 mm, in “Deep” mode ~38 mm HD / full-color TFT display: displays detection type, signal strength, depth estimation, icon indicators. Sensitivity adjustment / levels: multiple sensitivity settings to adapt to different wall thicknesses or materials. Auto calibration / reset function to reduce error and false triggers. Visual and audible alarms (beep, LED indicators) to alert when objects are detected. Type-C USB charging: uses 5 V, ≥ 500 mA charger, internal battery ~300 mAh. Compact size and ergonomic design for handheld scanning. Auto shut-off (sleep mode) after a period of inactivity to preserve battery. Multi-language support, menu settings, units, volume, sensitivity, language selection, reset.

Description: The IR40 is a compact laser distance meter that allows you to measure distances up to 40 meters using a laser. It supports multiple measurement modes (single, area, volume, continuous, Pythagorean, etc.), and can connect via Bluetooth to a smartphone app for data sync and mapping. It’s designed for use in construction, interior design, real estate, DIY projects, and other tasks requiring quick distance/area/volume calculations. Key Features: Measurement range: 0.05 m to 40 m Sun Cheong Computer Company Limited Accuracy: ±2 mm (plus proportional error ±5×10⁻⁵·D mm) Sun Cheong Computer Company Limited Resolution: 1 mm Laser class: Class II, wavelength 620–670 nm Measuring time: 0.1 to 3 seconds per measurement Multiple measurement modes:   • Single measurement   • Continuous measurement   • Area / volume calculation   • Pythagorean (indirect height/width) Reference point selectable (front / rear) Auto-flip / gravity sensor for 360° screen orientation Bluetooth / app connectivity: measure, record, sync, floor plan mapping Rechargeable battery (≈ 400 mAh) via USB-C Auto power-off, unit switching (m / ft / in)

Description: The FD10 is a compact Bluetooth-enabled OBD-II diagnostic tool that plugs into a vehicle’s OBD port and connects via smartphone (iOS/Android) to an app (such as YMOBD). It allows users to read and clear engine fault codes (DTCs), view live sensor data, perform vehicle scans, and monitor various automotive parameters in real time. It is designed for casual car owners, DIYers, and technicians who want a low-cost wireless tool for basic diagnostics without needing a full-fledged scan tool. Key Features: Bluetooth 5.1 Wireless Connection – Quick plug-and-play OBD-II scanner that pairs with iOS/Android app. Reads & Clears Fault Codes (DTCs) – Identifies check-engine issues and lets you clear warning lights. Real-Time Data Streaming – Displays live sensor data (RPM, temperature, fuel trim, etc.) on the phone app. 12-in-1 Diagnostic Functions – Includes trip logging, depth scan, performance test, fuel use monitor, battery-voltage test, and more. Supports Standard OBD-II Protocols – Works with CAN-BUS / K-Line / L-Line on most 12 V petrol & diesel cars. Compact & Low-Power Design – Operates on 8-28 V, power ≤1 W, with an operating range from –40 °C to +85 °C. Multilingual Interface – Offers 8 languages, including English, Spanish, Russian, Korean, Italian, Japanese, Hindi, and Chinese.