TECHTEST Plastic Tracker Tracer for Ethernet Lan Network This instrument is a multifunctional handheld cable testing tool. Work perfect when RJ11 RJ45 cable is on power. It has a wide application with reinforced cable types and multiple functions. It is a necessary testing tool for telecommunication engineering, wiring engineering, and network maintenance person Main Features: Wire tracing Trace RJ11, RJ45, cables or other metal wire (via adapter). Easy and fast to locate the breakpoint without opening the cover of wire Network cable collation: judge short-circuits, 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 General Technical Parameters Operating temperature: 0 - 40 degrees Celsius, maximal 80 percent relative humidity (non-condensing) Storage temperature: -10 - 50 degrees Celsius, maximal 80 percent relative humidity (non-condensing) Altitude: less than 2000m Anti-explosion rating: IP40 Distance of emitting signal: 300m or so Emitter battery: 6F22 / 9V (not included). Receiver battery: 6F22 / 9V (not included) Brand: BSIDE Model: FWT11 Material: ABS Type: Measuring instruments Primary functions: Wire Line Finder Tracker Scope of application: Education,Home appliance,Industrial,Market,Office,Supermarket Package weight: 0.276 kg Product size: 20.00 x 4.00 x 3.00 cm / 7.87 x 1.57 x 1.18 inches Package size: 22.50 x 12.20 x 4.70 cm / 8.86 x 4.8 x 1.85 inches Package Contents: 1 x FWT11 Emitter, 1 x FWT11 Receiver, 1 x Clip Adapter Cable, 1 x RJ45 Adapter Cable, 1 x English Manual