This is a UNI-T UT12D-Row non-contact voltage detector designed to safely identify AC voltage in wires, sockets, and circuit breakers without touching them.
It features dual-mode intelligent detection, with a low-voltage range of 24V-1000V and a high-voltage range of 90V-1000V.
The tool includes a built-in LED flashlight for working in low-light conditions and provides both audible buzzer and visual LED alarms when voltage is detected.
It is powered by two 1.5V batteries and is rated for CAT IV 1000V safety.