Volt meter voltmeter amper meter volt amper meter digital 10A 100V Details: * This voltmeter can be installed for electrical device and provides a voltage and current measurement * 100% Brand new and high quality * High performance and high reliability * With reverse polarity protection, the voltmeter won't be burned * Working voltage: DC 4 ~ 30V(The maximum input voltage can not exceed 30V. Otherwise the meter will be burned) * Working current:≤20mA * Voltage Measuring range: DC 0 ~ 100V * Current Measuring range: DC 0 ~ 10A * Voltage resolution (V): 0.1V * Current resolution (A): 0.01A * Measure accuracy: 1% (± 1 digit) * Display: 0.28" digital tube, Two color blue and red * Refresh rate: about 300mS / times * Cable Length: 15 cm(approx) * Dimensions:48 *29 * 26 mm(approx) * Operation Temp: -10℃~65℃ Package contents: 1* DC 100V 10A Voltmeter & Ammeter