This low cost VOM measures AC/DC voltage, current, resistance and decibels. Accuracy is ±4% (full scale). Also has a 9V & 1.5V battery test. AC/DC voltage ranges: 10V, 50V, 250V, 500V. DC current ranges: 0.5mA, 50mA, 250mA. Resistance range: R x 1KW. Decibel range: -20dB to +56dB. Comes with test leads and AA battery. Size: 3-1/2"H x 2-3/8"W x 1-3/16".