SK120:Input voltage: 6.0~36VOutput current: 0~6.000AOutput power: 120WVoltage resolution: 0.01VConversion efficiency: about 88%Output voltage: 0~36VVoltage accuracy: 0.5%+1 wordCurrent accuracy: 0.5%+3 wordsCurrent resolution: 0.001AStorage data group: 10 groupsMPPT function: Support MPPT solar chargingBuzzer: YesSoft boot: YesProtection mechanism:Input anti-reverse: YesOutput anti-backpouring: YesInput undervoltage protection: 5.5-36V adjustable, 5.5V by defaultOutput overvoltage protection: 0-38V adjustable, default 38VOutput overcurrent protection:SK120:0-6.2A Adjustable, default 6.2AOutput overpower protection:SK120:0-150W Adjustable, the default is 125WOvertemperature protection: adjustable from 0 to 110 C, default 95CTimeout protection: 0-100H adjustable, disabled by defaultOvercapacity protection: 0 to 9999AH adjustable, disabled by defaultSuper energy protection: 0~4200KWH adjustable, default off.Color: BlackMaterial: PCBPackage Contents:1 x DC Buck-Boost ModuleOnly 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.