Wire tracers are specifically designed to aid in locating energized and de-energized wires , cables, and pipes whether underground or hidden in a wall. They work by inducing a signal onto the target wire or pipe and using that signal to determine where the target is and the direction it's going. Features: Equipped with RJ45 interface for Ethernet cable and RJ11 interface for telephone line testing Low battery indication. Strong anti-interference ability. Non-contact voltage detection (NCV mode). Built-in flashlight. Headset jack. Specifications: Operating time: >8 hours Wire tracking: RJ11 >3000 m; RJ45 >100 m Headset jack: 3.5 mm Operating time: >5 hours Power: 1050 mAh rechargeable lithium battery Dimensions:transmitter: 130 mm × 51 mm × 28 mm receiver: 197 mm × 48 mm × 34 mm Weight:transmitter: around 95 g receiver: around 127 g Uses Locating faults in network cables Testing telephone and LAN lines Identifying wiring connections Troubleshooting electrical installations Maintaining communication and data networks Package Includes: 1 x UNI-T UT683KIT Wire Tracer