SK120 Specifications: Input Voltage: 6.0~36V Output Current: 0~6.000A Output Power: 120W Voltage Resolution: 0.01V Conversion Efficiency: Approx. 88% Output Voltage: 0~36V Voltage Accuracy: ±0.5%+1 digit Current Accuracy: ±0.5%+3 digits Current Resolution: 0.001A Storage Data Groups: 10 groups MPPT Function: Supports MPPT solar charging Buzzer: Yes Soft Start: Yes Protection Mechanisms: Input Anti-Reverse: Yes Output Anti-Backflow: Yes Input Undervoltage Protection: 5.5-36V adjustable, 5.5V default Output Overvoltage Protection: 0-38V adjustable, 38V default Output Overcurrent Protection: SK120: 0-6.2A adjustable, 6.2A default Output Overpower Protection: SK120: 0-150W adjustable, 125W default Overtemperature Protection: 0-110°C adjustable, 95°C default Timeout Protection: 0-100H adjustable, disabled by default Overcapacity Protection: 0-9999AH adjustable, disabled by default Super Energy Protection: 0-4200KWH adjustable, off by default Color: Black Material: PCB Package Contents: 1 x DC Buck-Boost Module Note: Light reflections and different displays may cause the color of the item in the picture to be slightly different from the real one. The allowed measurement error is +/- 1-3cm.