Feature:1. MAIN APPLICATIONS: Voltage current meter can be used to monitor batteries, solar panels, railway models, motorhomes, motorcycles, household batteries, motors, etc.2. CLEAR DISPLAY: The digital voltmeter ammeter has a clear and bright 1.57in LED screen to display voltage and current values3. ACCURATE CALIBRATION: The volt tester meter amp detector uses voltage and current calibration potentiometers and come with 2 connecting cables for easy use4. TECHNICAL PARAMETERS: Voltage amperage monitor gauge voltage measurement range from 0.0V100V, current test range support 010A, 050A, 0100A(there are 3 ranges)5. SCRATCH RESISTANT ABS: DC voltage current meter adopt excellent ABS material, possess impact resistance, scratch resistance, environmentally friendlySpecification:Item Type: Voltage Current MeterModel: TJ0810Operating Voltage: 4.5-30V DCWorking Current: <=20mADisplay: 1.57in LED digital tube displayDisplay Color: Red and blueVoltage Measurement Range: 0.0V-100VCurrent Test Range: 0-10A, 0-50A, 0-100A(there are 3 ranges)Voltage Resolution(V): 0.1VCurrent Resolution(A): 0.01AMeasurement Accuracy: 1%Minimum Resolution(A): 0.01A.Package List:1 x Table Head2 x Connecting Line1 x DiverterNote:The maximum input voltage should not exceed 30V, otherwise there is a risk of burning.