Non-contact voltage tester and work light The FLIR VP42 is a high-quality non-contact AC voltage tester (NCV) with work light and powerful functions, making it the best value product in its category. The reliable and durable detector includes a bright work light, a vibration alarm and a CAT IV safety rating. Use the tester for non-contact detection of live and neutral wires in outlets and distributors. Robust and reliable High-quality and durable design for maximum safety and long-term, trouble-free operation. Detect voltages even in the latest safety sockets. User-friendly Avoid touching live wires thanks to NCV technology and reduce risk of dropping the VP42 thanks to the double-sided moulded slip-resistant grip and an anti-roll case. Troubleshoot quickly Provides features that can improve work efficiency, including a work light, auto power off and low-battery indicator.