It is a voltmeter for testing DC 0-19.99V and also an ammeter for testing 0-10A.
It's power consumption is 0.5VA and measure speed is 2 times per second, with a tiny size.
Wide common ground power supply voltage (3-40V), dual LCD display DC Voltage Current Meter with embedded installation.
High measure accuracy of +/-1% 2 digits it can work under emtreme condition, no direct exposure.
It is commonly used in solar power systems, battery chargers, DC welding machine, sine wave inverter, electric vehicles, electric vehicles, electric car chargers and other equipment.