Feature:1. The DC voltage and ammeter can display the measured DC voltage and DC current simultaneously on the same meter screen.2. The measured DC voltage and DC current are completely isolated within the meter.3. Wide measurement voltage and current range, DC Voltage: DC0-199.9V; DC Current: DC0-10.00A.4. High measurement accuracy, up to 1%.5. Suitable for chargers, inverters, solar energy, wind driven generator, LED light measurement, etc.Specification:Item Type: Voltage Current MeterMeasurement Accuracy: 1% 2-digitDisplay: LCD Liquid Crystal DisplayMeasuring Range:DC Voltage: DC0-199.9VDC Current: DC0-10.00APower Consumption: <0.5VAMeasuring Speed: About 2 Times Per SecondWorking Power Supply: AC220V10%Installation Size (Length x Width): Approx. 68 x 38mm / 2.7 x 1.5in (Embedded Installation)Note: This instrument power supply voltage must be pure sine wave voltage to power the instrument (modified sine wave and square wave will burn the instrument!!! )Package List:1 x Voltage Current Meter1 x User ManualNote:This instrument power supply voltage must be pure sine wave voltage to power the instrument (modified sine wave and square wave will burn the instrument!!! )