Solnoi Electronics 10A DC 2.8-30V Voltmeter Ammeter Watt Power Meter Voltmeter  (Digital)

Specifications: Operating Voltage:2.8-30VDC Test Voltage:2.8-30VDC Rated Current:10A Measurement Accuracy:2% Features: Electrical parameter measurement function(Voltage, current, load resistance, remaining charge (symbol display)) Backlight function (key control backlight off) LCD full display function (also shows voltage, current, resistance, power) Real-time monitoring of the charging and discharging parameters of state power, voltage, current, remaining battery power (It must first set the cut-off voltage, full voltage)