We offer discount for large quantity. Welcome to us!2pcs 20A 300W CC CV Step-down Module Adjustable DC 6-40V to 1.2-36V Voltage Regulator Converter Power ModuleThis step-down voltage module with a wide range of input voltage from 6V to 40V, the step-down converter can accurately adjust the output voltage and current. It is designed with 75V/80A high-voltage current dual tube MOS. Input and output use high frequency low electrolytic capacitor resistance, low ripple, stable output. The efficiency can be up to 96%, measured at 20A, converting 24V to 12V. The wiring is convenient with these high-voltage current 30A screw terminals. The buck module has 2 heat sinks, which can improve heat dissipation, extending the service life. Application: DIY Stabilized Power Voltage, Car LED Display, Mobile Power, Industrial Equipment, LED Driver, Monitor, Solar Energy, Fans, Photovoltaic Energy, Motor, etc. Color: As Shown Material: Plastic Package Content: 2x300W 20A Constant Current Adjustable Step Down Converter Voltage ModuleOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm. About UsWe provide good product with best price, we support wholesale order/