[Parameter]: Excellent 20A DC-DC synchronous converter, 6V-40V to 1.2V-35V, can be used to convert 24V to 12V 5V. [Function]: Synchronous rectifier dedicated MOSFET; adjustable output voltage, adjustable output, 75V/80A dual MOS tube, high-frequency low-resistance electrolytic capacitor; Overcurrent protection; Short circuit protection [Note]: You can fix the terminal blocks firmly with needle-nose pliers when loosening the screws once; you can add hot glue to prevent large inductors and caps from moving too much. [Applicable to]: Emergency backup power for charging flashlights, phones, radios and battery-powered camping trailers; for projects, landscape lighting, solar configuration, RGB LED, for 2560, USB power, children, batteries; lithium-ion battery, battery charger [Hightlights]: Adjust the potentiometer: increase clockwise and decrease counterclockwise; Conversion efficiency: 95%; Module type: non-isolated; 2 heat sinks improve heat dissipation; weak ripple; stable output Color: photo color Material: plastic Package Contents: 1 x Step-down Module 300W 20A Only the above package contents, 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 allowed error is +/- 1-3 cm.