ITEM NAME:DC 100V 10A LED Digital Volt Amp Current and Voltage Meter Voltmeter A PPY Descriptio n Description: Working voltage of Meter itself:DC 4 - 30V(The maximum input voltage can not exceed 30V. Otherwise the meter will be burned) Working current of Meter itself:≠¤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 Dimensions:48mm*29mm*26mm Operation Temp: -10℃-+65℃ Package Included: 1PC*DC 100V 10A Voltmeter & Ammeter Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ Voltmeter Ammeter Dual Digital.Display: 0.28" digital tube, Two color blue and red. Current resolution (A): 0.01A. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. We'd like to settle any problem in a friendly manner.