0-100V Dual LED Voltmeter only

Description Measure voltage: DC 0 ~ 100V Operating voltage: DC 4.5 ~ 30V Minimum resolution(V): 0.1V Minimum resolution(A): 10A Operating current: 20mA Display: three 0.28″ LED digital tube Display color: Red and Blue (two-color display) Dimensions: 48 x 29 x 21mm Mounting cutout: 45.5 x 26.5mm Refresh rate: about 500mS / times Measure accuracy: 1% Operating temperature: -10 to 65ºc Operating Humidity: 10 to 80% (non-condensing)