Main functions:

1. Helpful-Locating & tracking buried and hidden wires and other hidden-wires.Only for Wires & Cables,Not for Sprinkler Valves!!!

2. Easily Locate Pet Fence Wires, Metal Wires, Metal Pipes, Electrical Wires, ect.

3. Locate-Determining Which Receptacles are on specific circuits，track-Pinpointing Drill Sites before drilling.

4. Wire tracer range-Up to 60cm deep and 800m in length.

5. Power system: 3.7V rechargeable Lithium battery.

NF-816L Transmitter specifications
Tone frequency	200kHz
The Max length distance	500m
The Max depth distance	50cm
The Max. working current	Less than 70mA
Max. signal voltage	15Vp-p
Signal display	Tone
Battery type	DC9.0V（NEDA 1604/6F22) x 1pc
Dimensions (LxWxD)	49 x 135 x 33mm
NF-816L Receiver specifications
Frequency	200kHz
The Max. working current	Less than 70mA
Earphone jack	1
Battery type	DC9.0V（NEDA 1604/6F22) x 1pc
Dimensions (LxWxD)	43 x 168 x 27mm

Packing list
9V battary	2 set ( if required )
Earphone	1 set
User manual	1 set
Carry bag	1 set
Gift box	1 set