The underground wire locator is designed 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:
Trace and locate underground wires or in-wall wires cable finder
Enable cables to be located before drilling.
The detection range is 3-feet and cable length 3000-feet.
Equipped a pair of 3.5mm earphones that can be connected the the receiver earphone jack to improve efficiency in a noisy environment.
Designed with white LED flashlight for auxiliary lighting in the darkness.
Can adjust the transmitter and receiver controls to move further distances according to the wire depth.
Light Weight Easy to Take. Useful tools for decoration or inspection

Specifications:

Earphone: 3.5mm earphones
Net Weight: 273g / 9.64oz
Package Weight: 370g / 13.07oz
Package Size: 28.3 * 15 * 4.8cm / 11.14 * 5.91 * 1.89in

TRANSMITTER:
Tone Frequency: 200kHz
Max. Length Distance: 500m / 1640.42ft
Max. Depth Distance: 50cm / 1.64ft
Max. Working Current: Less than 70mA
Max. Signal Voltage: 15VP-P
Signal Display: Tone
Power Supply: 1 * DC 9V NEDA 1604/6F22 battery (NOT included)
Transmitter Size: 134 * 49 * 33mm / 5.28 * 1.93 * 1.30in   
Transmitter Weight: 75g / 2.64oz

RECEIVER:
Frequency: 200kHz
Max. Working Current: Less than 70mA
Earphone Jack: 1
Power Supply: 1 * DC 9V NEDA 1604/6F22 battery (NOT included)
Receiver Size: 163 * 40 * 27mm / 6.42 * 1.57 * 1.06in  
Receiver Weight: 101g / 3.56oz

Packing List:
1 * Transmitter
1 * Receiver
1 * Earphones
1 * Pouch
1 * Manual (English)