Klein Tools Dual Range Non-Contact Voltage tester is a lightweight compact tool with pocket clip provides convenient storage and quick access. Perfect for home or jobsite! Dual modes indicate low voltage (12 to 48V AC) and standard voltage (70 to 1000V AC) allowing broad application Detects 12 to 1000V AC with simultaneous visual and audible voltage indicators Non-contact detection of low voltage in security entertainment communications environmental control and irrigation systems 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 1000 V rating provides expanded operation and protection Screw-thread battery cap with O-ring ensures protection against dust and water ingress Item Dimensions LxWxH 5.83 x 1.09 x 0.86 inches The NCVT-2P is a non-contact voltage tester that detects 12 to 1000V AC and indicates the presence of voltage in cables cords circuit breakers light fixtures switches outlets and wires as well as AC voltage in doorbells thermostats low voltage lighting and irrigation systems. Includes both visual and audible signals. The NCVT-2P is rugged enough for any job site. Voltage tester detects from 12 to 1000 V AC or 70 to 1000V AC. Broad application with dual ranges for low and standard voltage. Electrical Tester is lightweight with pocket clip for quick access. Auto power-off feature conserves and extends battery life. CAT IV 1000 V 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. IP54: Dustproof and waterproof. Conforms to CE requirements.