1Powerful Function: The POE network cable tester can automatically and efficiently scan for leaky wires, disordered wires, open circuits, and short circuits to ensure safety. 2High Performance: The tool set can remotely test cables up to about 1000ft/305m, providing you with more convenient testing, free from distance constraints. 3Cable Testing: TEL BNC can be tested (adapter required, not included), UTP, STP, RJ45 cable can be tested (manual adjustment and detection required). 4Energy Saving: The high grade ethernet wire tracer is low power consumption to protect the power switch, highquality protective shell to provide safer protection. 5Purpose: Track cables and diagnose breakpoints, receive audio signals on cables (telephone lines), identify the status of working telephone lines, and send single or double alternating tones to the target cable or wire. Item Type: POE Network Cable Tester Material: ABS Tester Battery: Built-in 1pc 9V 6F22 battery 250mah Receiver Battery: Built-in 1pc 9V 6F22 battery 250mah Working Current: Tester: 20mA, Receiver: 150mA Signal Transmission Method: Digital Signal Signal Output: 8Vp-p Signal Transmission Distance: Approx. 3km/3280yd 1 x Tester 1 x Receiver 1 x RJ45 Cable 1 x RJ11 Cable 1 x Headphone 1 x Clip Cable 1 x Manual 1 x Storage Bag