What's in the box:

Wire Tracker Cable Tester Multi-functional Handheld Line Finder Cable Testing Tool for Network Maintenance for Network Cable Collation Continuity Checking (Standard)

Features:
Works perfectly when RJ11 RJ45 cable is on power.
Trace RJ11, RJ45, cables or other metal wire (via adapter).
Easy and fast to locate the breakpoint without opening the wire's cover.
Network cable collation: judge short-circuit, breaking circuit, open circuit and crossing.
Test line level, positive and negative polarity.
Status of telephone line checking: test the working status of telephone line(idle, ringing, and off-hook) and judge TIP and RING line.
Check wire continuity.

Specifications:
Color: Blue
Material: Plastic
Work Temperature: 0~40C,the maximum 80% relative humidity(no coagulation)
Storage Temperature: -10~50C, the maximum 80% relative humidity [no coagulation, no battery]
Altitude: <2000> Anti-explosion Rating: IP40
Distance of Sending Signal: >100 meters
Battery(NOT Included):
Emitter: 1*6F22/9V Battery;
Receiver: 1*6F22/9V Battery
Emitter Size: 12.6*6.4*3cm/4.96*2.52*1.2in
Receiver Size: 20.5*4*3cm/8.07*1.57*1.2in
Package Size: 22*10.5*3.5cm/8.66*4.13*1.4in
Package Weight: 240g

Package List:
1xEmitter
1xReceiver
1xClip Adapter Cable
1xRJ45 Cable
1xUser Manual (English)