The UT683KIT cable tester is an intelligent cable finder that consists of a transmitter and a receiver. The receiver can quickly and accurately locate the target cable. This kit can automatically identify open, short, polarity, and other conditions to help you quickly identify cable faults. It is an ideal device for integrated connection, installation and maintenance of low-current electrical systems. Product parameters: - network cable monitoring - telephone line monitoring - monitoring of electrical cables - verification: RJ45 cable, RJ11 cable - NCV function - flashlight - ON / OFF switch - polarity indicator - sensitivity setting Technical parameters: - power supply: 3.7 V / 1050 mAh rechargeable lithium battery - signal mode: modulation signal (125 kHz carrier) - viewing distance: ≥3000 m (disconnected mode) - switch monitoring distance: ≥100 m (connected mode) - operating temperature: -10 ° C - 50 ° C - operating humidity: 20 - 75% relative humidity, no condensation - operating altitude: 2 000 m - transmitter dimensions: 130 mm x 51 mm x 28 mm - receiver dimensions: 197 mm x 48 mm x 34 mm - transmitter weight: approximately 95 g - receiver weight: approximately 127 g - operating time: transmitter ＞ 8 hours, receiver ＞ 5 hours - package contents: transmitter, receiver, micro USB charging cable, RJ11 adapter cable, RJ11 adapter for crocodile clip, RJ45 adapter cable, instructions, packaging