The FLIR VP50-2 Triple Alarm CAT IV Non-Contact Voltage Detector with Flashlight (US Version) is a durable, CAT IV-rated non-contact voltage detector featuring light, vibration, and beeper feedback alarms and a powerful LED flashlight. Use the VP50-2 to reliably check whether an AC circuit is live before beginning work; detect voltage on exposed conducting parts or through insulation; identify live wires within switchboxes, switches, and outlets; or trace live wires and map circuits. With an ergonomic and drop-tested design, the FLIR VP50-2 is the right choice for professionals performing field troubleshooting and verification of electrical installations within residential, commercial, and industrial buildings.