Up to 1999 digits can be seen on a 3 1/2-digit LCD display. The voltage of DC is 1000V ± (1.0%) + 2. - Maximum jaw opening: 50mm - AC voltage: 750V ± (1.5%+4) - Current: 1000A - Power source: battery 9V (not included) Dimensions: 240g, 230 x 70 x 37 mm