SK120: Input voltage: 6.0~36V Output current: 0~6.000A Output power: 120W Voltage resolution: 0.01V Conversion efficiency: about 88% Output voltage: 0~36V Voltage accuracy: ±0.5%+1 word Current accuracy: ±0.5%+3 words Current resolution: 0.001A Storage data group: 10 groups MPPT function: Support MPPT solar charging Buzzer: Yes Soft boot: Yes Protection mechanism: Input anti-reverse: Yes Output anti-backpouring: Yes Input undervoltage protection: 5.5-36V adjustable, 5.5V by default Output overvoltage protection: 0-38V adjustable, default 38V Output overcurrent protection: SK120:0-6.2A Adjustable, default 6.2A Output overpower protection: SK120:0-150W Adjustable, the default is 125W Overtemperature protection: adjustable from 0 to 110 °C, default 95°C Timeout protection: 0-100H adjustable, disabled by default Overcapacity protection: 0 to 9999AH adjustable, disabled by default Super energy protection: 0~4200KWH adjustable, default off. Color: Black Material: PCB Package Contents: 1 x DC Buck-Boost Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.