Features MAIN FUNCTIONS This cable tester can be used to diagnose common problems with phone, data, internet, voice, security and communication cables. HIGH PERFORMANCE: can track wires and identify cables in all common wiring systems, which have high sensitivity and accuracy, efficient and durable. Wide application: widely used for repairing cables and wires, measuring ranges include line tracking, short circuit testing, extinguishing, busy, ringtone detection, etc. With display: with acoustic and visual signal indicator, 2 different sound signatures and LED sound indicator proximity lighting for easy identification. ABS CASE The cable toner detector case is made of ABS material, which has good toughness, high strength, wear resistance and long service life. Specification: Item Type:Wire Finder Kit Model: 200EP. Material: ABS Battery: 9V 6F22 battery x 1 (battery not included) Application Widely used in the maintenance of cables and wires. Measuring ranges include line tracking, short circuit testing, clear, busy, ring recognition. Gain: 30 dB. Input impedance: 100 MOhm. Probe tip resistance (minimum): Metal tip: 0 ohm Plastic head: 300 ohms. Package list: 1 x detector, 1 x receiver, 1 x test head, 1 x user manual (English language not guaranteed), 1 x storage bag. Note: Do not test the cable while it is on. Package List 1 x Detector 1 x Receiver 1 x Test Head 1 x User Manual 1 x Storage Bag