🔧 Power Up Your Safety Game! Lightweight design with a pocket clip and 6.6-foot drop protection. Certified for CAT IV 1000V, ensuring maximum safety during use. Auto power-off feature conserves battery life for longer use. Stay informed with high-intensity visual and audible signals. Safely identify live wires without direct contact. 50-1000V AC range Audible alerts CAT IV 1000V safety The Klein Tools NCVT1P Voltage Tester is a non-contact low voltage tester pen designed for detecting AC voltage from 50V to 1000V. It features bright LED indicators and audible alarms for easy voltage detection, a compact design with a pocket clip, and a safety rating of CAT IV 1000V, making it a reliable tool for professionals.