The underground wire locator is designed to allow the user to track low voltage cables used for garden and landscape automatic watering systems, and low voltage garden lighting systems. It can also be used to trace other metal cables.Features:Basic Functions: tracking buried irrigation or garden lighting cables, detecting cable break, locating alarm, sound & computer wires, measuring wire depth, and pinpointing drill sites.External Earphones: equipped a pair of 3.5mm earphones that can be connected to the the receiver earphone jack to improve efficiency in a noisy environment.White LED Flashlight: designed with white LED flashlight for auxiliary lighting in the darkness.Power Supply: the transmitter and receiver are both powered by the 3.7V rechargeable lithium battery, both with low battery indicator.Trace and locate underground wires or in-wall wires, the detection depth range is 60cm and the max. cable length is 800m.Specifications:Material: ABSEarphone: 3.5mm earphonesPackage Weight: 435g / 15.34ozPackage Size: 28.3 * 15 * 4.8cm / 11.14 * 5.91 * 1.89inTRANSMITTER:Tone Frequency: 200kHzMax. Length Distance: 800m / 2400ftMax. Depth Distance: 60cm / 24inMax. Working Current: Less than 70mAMax. Signal Voltage: 15Vp-pSignal Display: TonePower Supply: 1 * 3.7V 1100mAh lithium batteryTransmitter Size: 134 * 49 * 33mm / 5.28 * 1.93 * 1.30inTransmitter Weight: 93g / 3.28ozRECEIVER:Frequency: 200kHzMax. Working Current: Less than 70mAEarphone Jack: 1Power Supply: 1 * 3.7V 1100mAh lithium batteryReceiver Size: 163 * 40 * 27mm / 6.42 * 1.57 * 1.06inReceiver Weight: 119g / 4.20ozPacking List:1 * Transmitter1 * Receiver1 * Earphones1 * Pouch1 * Manual (English)