Smart Mouse NF-916 Mini Fiber Optic Network Cable Tester 4-in-1 2.5mm Optical Power Meter Red Light Pen

Supports units

dBm, mW, µW, nW

Six wavelength automatic recognition and memory

Input and overheat protection

Red light source with strong penetration using imported laser head

Wavelength memory function saves last test wavelength before shutdown

Ceramic core with replaceable tip (metal pen head removable for ceramic core replacement)

RJ45 network cable testing with line sequence verification

Automatic scanning to check correct wiring (LED indicators 1-8 light sequentially for correct wiring)

Quick and slow line tracing modes (0.5s / 1s)

Single-end crystal head testing and crimping accuracy detection

Crimping function with instant testing

Split detachable design for flexible use

Line tracing with red light pen function

Line sequence and crimping status indicators

High-brightness LED flashlight for working in dark environments

Intelligent standby mode with automatic shutdown after 30 minutes of inactivity

Low battery automatic shutdown protection

ABS engineering plastic body with silicone edge protection for shock absorption and durability

Type-C charging port with built-in 3.7V polymer lithium battery

NF-916 main unit and remote unit

Type-C charging cable

User manual

Qualification certificate and warranty card

Battery safety instructions

Packaging box

1. Measuring optical power and optical loss of optical transceivers, modules, and optical devices (can be used independently)

2. Testing network cable connectivity and line sequence correctness

3. Quick and accurate fiber and network cable troubleshooting and maintenance

Power on/off button

Wavelength selection button

Reference (REF) button

Unit selection button (dBm, mW, etc.)

Line tracing button

Red light / illumination toggle button

RJ45 interface for network cable testing

Optical power meter interface

LED flashlight switch

The product is branded as Jingmingshu () and is designed for professional fiber optic and network cable testing with enhanced usability and durability.