Extech VT30 Multifunction voltage tester with flashlight and double molded housing. Large backlit LCD display. LCD AC/DC volatge indication: 6, 12, 24, 50, 230, 400, 690. Polarity detection with LEDs. Phase rotation test for motors. IEC1010-1 CAT IV 600V and CAT III 1000V rating. Comes with two AAA batteries. One year warranty.