Voltage detector without contact and cativ 1000v, color finder. detects the status of an electrical circuit without the need to touch or connect a device on the network. the information on whether a circuit is active is through led illumination and intermittent sound. the circuit test is for voltages from 90v to 1000v ac. compact size design with clip clip. includes led light for work in low lighting conditions. safety category cativ 1000v.