High precision, high reliability, suitable for high-end applications With reverse protection, then anti-burn 10A voltage current meter itself built-in shunt, 50A / 100A voltage current meter head distribution shunt (pay attention to the power supply must be connected before the splitter) Voltage measurement range: DC0-100V Current measurement range: 0-10A, 0-50A, 0-100A Operating current: less than 20mA Refresh speed: about 300mS once Display: double three 0.28inch LED digital tube Display color: red + red Lead length: 15cm Dimensions: 48 * 29 * 22mm Mounting hole: 46 x 27 Net weight: 28g Operating temperature: -10 degrees Celsius ~65 degrees Celsius Material:metal Colour:black Package Contents: 1 x Voltage ammeter 1 x 3PIN cable 1 x 2PIN cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.