Features 1、TRANSMITTER FUNCTION: Used for cable continuity test and scanning, port flashing, cable length measurement, POE test, with OPM and VFL functions. 2、MODE SWITCHING: The optical power meter supports 850nm 1300nm 1310nm 1490nm 1550nm 1625nm wavelength, dBm, dB, mw, uw, nw unit switching. 3、RECEIVER FUNCTION: Sensitivity adjustment, 300m empty shielded network cable and non mpty shielded network cable, NCV detection, lighting function, etc. 4、NON CONTACT: The receiver is designed with lamp for auxiliary lighting, can be used for non contact detection of AC voltage of household wires. 5、BUILT IN BATTERY: The transmitter and receiver have built in 1500mAh battery, Type C charging, with charging indicator and low battery indicator. 6、APPLICABLE RANGE: Applicable to network line engineering and maintenance of telecommunications, computers, other metal conductors, etc. Specification Item Type: Network Wire Finder Material: ABS Receiver Battery: 1 x 3.7V Polymer Battery, Battery Capacity: 1500mAh (built in battery) Transmitter Battery: 1 x 3.7V Polymer Battery, Battery Capacity: 1500mAh (built in battery) Transmitter: Cable Type: CAT5 CAT6 Undervoltage Protection Value: 60V Wiring Port: RJ45 Maximum Range: Approx. 300 meter / 984.3ft STP NTP: Yes Short Circuit Reminder: Yes Anti interference And Normal Mode: Yes Audio Transmission Frequency: 455KHz Power Meter: 850nm 1300nm 1310nm 1490nm 1550nm 1625nm (wavelength) Crimping: RJ458 core, minimum length ≥10cm Low Voltage Prompt: <3.5V±0.1V, power indicator flashes Receiver: Scanning Current: ≤300mA Remote Continuity: ≥300m Lamp: Yes Low Voltage Prompt: Yes Package List 1 x Transmitter 1 x Receiver 1 x CAT5 Cable 1 x CAT6 Cable 1 x Crocodile Clip 1 x Earphone 1 x User Manual 1 x USB Cable 1 x Storage Bag