DROK 100W/10A DC-DC Boost Converter Voltage Regulator Module 11-28V to 12-35V Charger, LED Voltmeter Ammeter Display Module Properties: non-isolated Buck module Input voltage :11-28V; Input Current: Max 15A; Output Voltage :12-35V (higher than the input voltage, adjustable); Output Current: 10A; Voltmeter Resolution: 0.1V; Ammeter Resolution: 10A or less resolution is 0.04A, 10A above resolution is 0.1A, the resolution automatically switch LED Display: 0.36" three digital tube