This tester is a multi-functional wire , including cable emitter and receiver. It has functions like wire tracking, network wire tracking, cable tracking, network wire check, etc. and it produces and accurate measurements. It is a necessary testing tool for telecommunication , wiring and network maintenance person.

Features:
Can test wire, network wire, cable.
Can test the line level, positive and negative polarity by using emitter only.
Equipped with RJ11 cable and with BNC/RJ45 interface.
Network wire checking function to judge normal/short-circuit/open-circuit/crossing and reverse connection.  
Easy and to locate the breakpoint without opening the wire's cover.
Includes low indication function.
Protected by a bag, portable to carry.

Specifications:
Material: ABS
Color: Grey + Blue
Compatible Connectors: RJ11, RJ45
Short Circuit/Open Circuit Detection: Yes
Distance of the Emission Signal: >300m
Altitude: less than 2000m
Classification: IP40
Safety Class: IEC61010-1 600 V III, pollution class II.
: Emitter: 1 * 9V 6F22 ; Receiver: 1 * 9V 6F22 (both NOT included)
Operating : 0~40°C(32~104°F), ≤80%RH
Storage : -10~50°C(14~122°F), ≤80%RH
Emitter Size: Approx. 17.5 * 4.5 * 3.5cm / 6.89 * 1.77 * 1.38in
Receiver Size: Approx. 12 * 4.8 * 3.4cm / 4.72 * 1.89 * 1.34in
Emitter Weight: Approx. 75g / 2.65oz  
Receiver Weight: Approx. 67g / 2.36oz 
Package Size: Approx. 21.7 * 11.4 * 4.9cm / 8.54 * 4.49 * 1.93in
Package Weight: Approx. 270g / 9.52oz 

Package List: E4056
1 * Emitter
1 * Receiver
1 * RJ11 Cable
1 * Clip Test Line
1 * Carry Bag
1 * User Manual (English)