Meters -Digital Voltmeter Ammeter Highlights Generic Brand Digital Voltmeter Ammeter Description: Voltage range of voltmeter ammeter is 0-100VDC, current range is 0.0-10A .The multimeter can clearly display voltage and current at the same time, red for voltage, blue for current. Can be installed anywhere flexibly. The Amp Voltage Monitor Gauge is powered by the measured circuit, no need to connect an additional power source. This amp volt tester is designed with a built-in trimmer potentiometer, allowing you to calibrate the meter easily. Specification: Material: PlasticandPCB Color: Black LED Display Color: Red and Blue Size: Approx. 48x29x22mm / 1.89x1.14x0.87 inch Mounting Holes: Approx. 46x27 mm / 1.81x1.06 inch Wire Length: Approx. 15cm / 5.91 inch Operating temperature: -10-65 Voltage measurement range: 0.0V-100V Current test range: 0-10 A Power supply range: DC 4-30.0 V Error range of voltage: 0.1 percent Current error range: 1 percent Working current: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.