Features 1、The network tester can quickly measure the continuity, sequence and location of the cable by automatically scanning the cable. 2、Both before and after installation, the cable can be easily tested, easy to use and fast to test. 3、It can detect open circuit, short circuit, straddle, reverse connection and series winding of circuit. 4、With long battery life, can be standby 50 hours, automatic delay shutdown function. 5、Remote recognizer has audio prompt function, lightweight design for convenient carry and LCD screen for easy reading. Specification Features: 1. The network tester can quickly measure the continuity, sequence and location of the cable by automatically scanning the cable. 2. Both before and after installation, the cable can be easily tested, easy to use and fast to test. 3. It can detect open circuit, short circuit, straddle, reverse connection and series winding of circuit. 4. With long battery life, can be standby 50 hours, automatic delay shutdown function. 5. Remote recognizer has audio prompt function, lightweight design for convenient carry and LCD screen for easy reading. Specification: Item Type: Cable Tester Material: Plastic Tester Port: RJ45 RJ11 BNC Battery: 4 x AAA 8mA (Not Include) LCD Screen: 35 x 17mm / 1.4 x 0.7in Working Temperature: - 10 ℃ - + 40 ℃ Size: Approx. 123.7 x 66.5 x 24.5 mm / 4.9 x 2.6 x 1in Weight: Approx. 387g / 13.65oz Package List: 1 x Producer 1 x Receiver 1 x Instruction 4 x Testing Cable Package List