Fangrui Product Details Buck Converter Input Voltage Range Is Dc 6-40v, Adjustable Output Voltage Range Is Dc 1.2-36v, Can Be Used To Convert 24v To 12v 5v, Adjustable Output Current Range Is 0-20a, Max Output Power Is 300w. The Step Down Regulator Can Apply To Constant Output Current. Application: Diy Stabilized Voltage Supply, Led Car Display, Mobile Power, Industrial Equipment Appliances, Led Driver, Monitor, Solar Energy, Fans, Photovoltaic Energy, Motor, Etc Adopting 75v / 80a Large Current Dual Mos Tube Designed Step-down Board, Input And Output Use High Frequency Low Resistance Electrolytic Capacitor, Low Ripple, And Gives A Stable Output. Large Current 30a Connection Screw Terminals, More Convenient To Install Short Circuit Protection: Self-recovery(cannot Short Circuit For Long Time) ;when Input And Output Is Common Grounded, No-load Cv Output Constant Voltage, Cc Output Constant Current. Colour:blue Material:pcb Size:8 X 7 X 3cm Package Contents: 1 X Adjustable Dc Module Only The Above Package Content, Other Produc