It is a 100W Power Supply Module/Adjustable Voltage Regulator/Adapter, Input Voltage: 10~32VDC, Output Voltage: 15~35VDC, Output Current: 6A max. Application:Suitable for DIY an adjustable voltage regulated power supply, Industrial equipment Voltage convert, Power Supply Transformers, Laptop Power Supply, Car Power Supply, LED drive,Advertising screen,Monitoring System etc.