It is a 75W Power Supply Module/USB Charger + Digital Meter, Input voltage: DC 6~32V, Output voltage: DC 1.25~32V, Output current: 5A Max. It has small size, high efficiency, long term stable and reliable quality,easy installation and use, Suitable for DIY an adjustable voltage regulated power supply, Charging module, Industrial equipment Voltage convert, Power Supply Transformers, Laptop Power Supply, Batteries Buck, Car Power Supply, LED drive,Advertising screen,Monitoring System etc