Non-Contact Voltage Detector
Extech DV23Go to Product Support
Use the Extech DV23 to quickly check for the presence of live wires before performing any electrical testing. This rugged CAT IV NCV detector is suitable for use around outlets or against wire insulation for non-contact detection of AC voltage from 50 to 600 V (50/60 Hz). A red LED indicates the presence of voltage. Comes with two AAA batteries.