Detecting full range of 12–1,000 Vac, NCVT-3 accommodates needs of low and standard voltage environments. Integrated flashlight works independent of voltage detection function. In addition to carrying CAT IV 1,000 V safety rating, this IP67 dustproof and waterproof unit features drop protection up to 6.6 ft, simultaneous visual and audible voltage indicators, and pocket clip to facilitate storage and access. Auto Power-Off functionality helps conserve and extend battery life.