BENETECH GM60 Handheld Multi-Purpose Wire Tracker About the product 1. This is a professional network cable detection equipment, designed for wires tracking. 2. Can help you to find the cable from a plenty of wire cable quickly and efficiently. 3. It is a necessity instrument in the routine maintenance of network cables, communication cables, metal line construction projects 4. The transmitter is powered by 1.5V 3 x AAA batteries (not included) 5. The receiver is powered by 6F22 9V battery (included) Functions 1. Long distance wiring tracing 2. Internet cable order verifying 3. Wiring voltage existence inspection 4. Wiring voltage positive or negative characteristic measuring. 5. Wiring shorts inspection 6. Low battery indication 7. Tracing sensitiveness and volume adjusting 8. Headphone jack output 9. Flashlight Package Contents - 1 x Transmitter - 1 x Receiver - 1 x RJ11 Crystal Head Wiring - 1 x RJ45 Crystal Head Wiring - 1 x Alligator Clip Wiring - 1 x English User Manual - 1 x 6F22 9V Battery