Description: Item type:Tester MS5902 Disconnect Switch Detector Safety cla IEC1010-1CATII 600V Working voltage AC110V / 220V The circuit breaker facilitates the search function to quickly find and locate the branch breaker circuit (using the MS5902T) Automatic adjustment of sensitivity Visual and auditory indication Test function tripod socket connection status LED display correct open circuit Ground and FireWire Reverse Zeroline and FireWire are the opposite caveat: Pay special attention when using the MS5902 in a large circuit breaker cabinet. Do not use when the voltage exceeds 120V / 230V AC. You can turn on the flashlight in a dark environment. Automatically find the correct circuit breaker or fuse quickly. Quickly and easily identify the condition of the electrical outlet. MS5902-TD for 220V AC, MS5902-TB for 110V AC Working temperature: 0~50C Package Include: 1xTester(without battery) Note: The colors deviation might differ due to different monitor settings.