DC 100V 10A 250W LCD Digital Voltmeter Ammeter Wattmeter Voltage Current E50

Specification: 
Measuring Range: Simultaneous display of voltage and current
Voltage Measurement Range: DC 0-100V/DC 0-50V
Current Measurement Range: 0-10A/0-5A
Power Measurement Range: 0-1000W/0-250W
Voltage Error Range: ±1%(Adjustable)
Current Error Range: ±1%(Adjustable)
Power Error Range: ±1%(Adjustable)
Refresh Rate: 300ms/Times
Display Method HTN LCD: 3 Rows of 3 Digits
Customized or not: YES
Supply Voltage: DC 7-12V
Working Current: <15mA
Working Temperature: -10-60C