This instrument is designed to identify and trace wires or cables without damaging the insulation; you can also use it in checking for short circuit and locating open circuit and so on. In addition， it can also be used to identify some states of telephone.
Designed for use with telephone lines， alarm cables， computer cables， intercom lines， speaker wires， and thermostat wiring scanning function
Find out working wire (network cables， phone lines， coaxial cable， buried cable and even cable behind wall)
Cable tester function: Check the working state of each wire
Circuit State Test Function - Test if the circuit is working properly， or if there is a open/short circuit.

Cable Crimper:
Material: metal and plastic
Hard and durable enough to crimp the network cables for using magnetic steel
The mouth of the press-pliers is made of high quality steel
It won't damage the shelled-wire when crimping.

Cable Tester:
Test correspondingly double-twisted cables 1， 2， 3， 4， 5， 6， 7， 8 and ground
Capable to judge wrong connection， short circuit and open circuit
For RJ11， RJ45， etc.
It can easily clarify cable， continuity， open and short
Auto scanning function for rapid testing

Grounding Test:
Build in power switch for power saving
Operate with one 9V battery (Not Included)

Network Punch down Impact Tool:
Blades precisely inserts and economically trim wire
Durable punch down tool， makes network installation all that easy
The only tool you'll ever need to add， change or remove connections
A specially-designed wire hook removes terminated conductors
A blade helps to easily remove the blocks from back mount frames
This is a punch down tool for putting wires into sockets， patch panels or outlets
Specially designed tool for terminates and trims wires with one low-impact punch， bring new ease and speed to all of your installations