Features [MAIN PURPOSE] Help you quickly find the one you need from a large number of cables, suitable for detecting network cable, communication cable, metal cable, etc. [FOR LONG DISTANCE] The transmission signal is strengthened at the ultra long line finding distance, can be used for further distance measurement, stable and reliable. [EASY OPERATION] Just connect the transmitter to one end of the network cable, and then gently touch the detection network cable with the receiver to find out the cable. [HIGH EFFICIENCY] Even in a large number of lines, the audio generator can use twisted pair to send audio signals to reduce noise and ensure high efficiency. [LIGHTING FUNCTION] The wire finder has lighting function, which can be used in dark environment, the combination of lighting lamp and probe improves work efficiency. Specification: Item Type: Wire Tracer Material: ABS Display Mode: LED Indicator Transmitter Signal Distance: >300 meter / 984.3ft Output Signal Level: About 23Vp-p (frequency adjustable) Flashlight Lighting: Yes Automatic Shutdown: Yes (automatic shutdown after about 10 minutes without any operation) Battery: Host: 3 x AA Battery; Receiver: 1 x 9V Battery (battery not included) Package List:1 x Wire Tracer 1 x Receiver1 x Crocodile Clip1 x Storage Bag Package List 1 x Wire Tracer 1 x Receiver 1 x Crocodile Clip 1 x Storage Bag