Digital Voltmeter DC 100V 10A Voltmeter Ammeter

Working voltage:4.5-30V DC Note: The maximum input voltage can not exceed 30V, otherwise there is the danger of burning Working current:=20mA Display: 0.28″ Two color blue and red Measuring range: DC 0-100V 0-10A Minimum resolution (V): 0.1V Refresh rate: =100mS / times Measure accuracy: 1% (± 1 digit) Minimum resolution (A): 0.01A Operating temperature: -15 to 70° c Working pressure: 80 to 106 kPa size :48×29×22 mm