DROK Waterproof DC Buck Converter Voltage Regulator 8-22V to 3-15V 5V 12V 3A Adjustable Output Power Supply Transformer Step-Down Volt Module Board for Car Auto Vehicle Motor Regulated SR

Features

• Uses synchronous rectification technology, has high conversion efficiency and stable performance; The input should be at least 3V higher than output.
• With potentiometer on the bottom, which allows you adjust the accuracy with the mini screw, but ensures you won't easily change its setting when mounted.
• Fully sealed, outer enclosure acts as a heat sink, specially made to be waterproof, anti-shock, anti-humidity and dust-proof, more durable.
• With reversed-connection protection, over-current protection, over-heating protection and over-voltage protection, hence is safe to use.
• Perfect for electronic hobby project, wide application, you can use it on radio, Car Audio, LED display, motor, cell phone, etc.