Measure network cable length and determine the distance of broken point
Check wiring error in 5E, 6E, such as open circuit,short circuit, jumper wire, reverse connection
8 remote identifiers enable users to test 8 cables at one time.Portable unit with long battery life (wait-case 50 hours)
Memory function for calibration data.Automatically time-delay shut off
Self-checking and automatically compensate any change in battery capacity or ambient temperature