Klein Tools, Non contact voltage tester's dual-range capabilities allow tester to detect from 12 to 1000 V AC or 70 to 1000V AC for a broad variety of low-voltage or standard voltage applications Detects voltage with simultaneous visual and audible voltage indicators, Bright flashlight illuminates work area and may be used independent of voltage detection function, Green light indicates no voltage. Lightweight, compact tool with pocket clip provides convenient storage and quick access. Auto power-off feature conserves and extends battery life. CAT IV 1000V rating provides expanded operation and protection. Screw-thread battery cap with O-ring ensures protection against dust and water ingress. 6.6-Foot (2 m) drop protection. IP67: Dustproof and waterproof. Conforms to CE requirements