This Wire is easy to operate with smooth appearance. It's a multi-functional handheld cable testing tool to determine whether the cable line is continuous. It can identify the state in the working line(clear,,busy). A professional & tool for wireman.

Features:
Identify the state in the working line(clear, , busy).
Receive the tone signal on the cables or wires( line).
Judge continuity of the cables or wires without the insulation.
Send a solid tone or a dual alternating tone to the object cables or wires.
Track cable routes and identify where a line breaks.
Perfect for installing, debuging, maintaining line and other wires or cables.

Specifications:
Brand:
Model: FWT21
Material: ABS
Color: Black
Audio Signal: 1.5kHZ
Receiving Frequency : 100Hz-300kHz 
Receiver : 1 * 9V 6F22 (Not Included)
Emitter : 1 * 9V 6F22 (Not Included)
Receiver Size: 238 * 43 * 26mm / 9.4 * 1.7 * 1.0in
Emitter Size: 145 * 35 * 25mm / 5.7 * 1.4 * 1.0in
Receiver Weight: 72g / 2.5oz
Emitter Weight: 65g / 2.3oz
Package Size: 28.3 * 12.5 * 4cm / 11.1 * 4.92 * 1.85in
Package Weight: 262g / 9.3oz

Package list:
1 * (FWT21 Sender)
1 * Receiver
1 * Carrying Bag
1 * User Manual