Features:
100% Brand new and high quality!
This instrument is a multi-functional handheld cable testing tool. It has wide application with reinforced cable types and multiple functions. 
It is a necessary testing tool for telecommunication engineering， wiring engineering and network maintenance person.
Work profect when RJ11 RJ45 cable is on power
Wire Tracing: 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: 
Temperature
Operating temperature: 0 °C ~ 40 °C， maximal 80% relative humidity (non-condensing)
Storage temperature:-10~50°C， maximal 80% relative humidity (non-condensing， battery not included)
Altitude:<2000m( meter)
Anti-explosion rating:IP 40
Distance of emitting signal :300m or so
Battery Emitter: 6F22/9V; receiver: 6F22/9V(not include)
Color: Blue & black 

Package Includes: 
1 x FWT11 Emitter 
1 x FWT11 Receiver 
1 x Clip adapter cable 
1 x RJ11 adapter cable
1 x RJ45 adapter cable