Feature:1. MAIN FUNCTIONS: This cable tester can be used to diagnose common problems in telephone, data, internet, voice, security and communication cables.2. HIGH PERFORMANCE: Can trace wire and identify cables in all common wiring systems, which has high sensitivity and accuracy, efficient and durable.3. WITH INDICATION: Features audible and visual signal indication, 2 different tone signatures and LED tone indicator proximity lighting for easy identification.4. ABS SHELL: The cable toner detector shell is made of ABS material, which has good toughness, high strength, wear resistance and long service life.5. WIDE APPLICATION: Widely used for cables and wires repair, measurement areas include line tracing, short circuit testing, clear, busy, ringtone recognition, etc.Specification:Item Type: Wire Tracer KitModel: 200EPMaterial: ABSBattery: 9V 6F22 battery x 1 (battery not included)Application: Widely used in the maintenance of cables and wires. Measurement areas include line tracing, short circuit testing, clear, busy, ring recognition.Gain: 30 dBInput Impedance: 100MOhmProbe Tip Resistance (Minimum): Metal Tip: 0 OhmPlastic Head: 300 Ohm.Package List:1 x Detector1 x Receiver1 x Test Head1 x User Manual1 x Storage BagNote:Do not test the cable while it is powered.