SK60 SK120 DC Buck Boost Converter CNC Adjustable Regulated Laboratory Power Supply Constant Voltage Current Solar Charge Module. Features: high-quality PCB materials, LCD screen, built-in buzzer, key prompts, alarm prompts, safer and more assured use. Parameters: input voltage 6.0-36V, output current 0-5.000A, output power 60W, voltage resolution 0.01V, conversion efficiency 88% or so. Protection mechanisms: input anti-reverse connection, output anti-reverse, input undervoltage protection, output over-voltage protection, output overcurrent protection, over-temperature protection, timeout protection, over capacity protection, super energy protection. Package includes: adjustable boost and buck module.