Klein Tools Dual Range Non Contact Voltage Tester 12 - 1000V AC Flashlight. The voltage sensor 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-3P is rugged enough for any job site. Specifications for Klein Tools Dual Range Non Contact Voltage Tester: Manufacturer: Klein Tools Voltage: 1000 volts Weight: 1.9 oz Width: 1.09 in Length: 5.7 in Features of Klein Tools Dual Range Non Contact Voltage Tester Voltage Tester provides non-contact detection of low voltage in security entertainment communications environmental control and irrigation systems. 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. IP67: Dustproof and waterproof IP67: Dustproof and waterproof. Package Contents: Klein Tools Dual Range Non Contact Voltage Tester Klein Tools NCVT3P: Dual Range Non Contact Voltage Tester 12 - 1000V AC Flashlight