Suggested Retail: $13.70. 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 - This DROK Waterproof DC Buck Converter is perfect for electronic hobby projects. It has wide application possibilities, including radios, car audio, LED displays, motors, and cell phones. It features reversed-connection protection, over-current protection, over-heating protection, and over-voltage protection, making it safe to use. It is fully sealed with an outer enclosure acting as a heat sink. It is waterproof, anti-shock, anti-humidity, and dust-proof, making it highly durable. It uses synchronous rectification technology for high conversion efficiency and stable performance. Brand: DROK Model: 090010 -- LOT STICKER: TCE-BOX-BOXTCED0004-ITEM-63ae53a3___LPNRRHF5067335 DROK Waterproof DC Buck Converter Voltage Regulator 822V to 315V 5V 12V 3A Adjustable Output Power Supply Transformer StepDown Volt Module Board for Car Auto Vehicle Motor Regulated SR -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.