The VT30 is a voltage, continuity and phase tester with built in flashlight and backlit digital display with bar graph. The tester features a double molded IP64 housing, polarity detection with LEDs for positive and negative DC and a CAT III 600 Volt / CATIV 600 Volt safety rating. This product is complete with a one year warranty, 2 AAA batteries, protective cap, and pouch case.