Suggested Retail: $11.6. HiLetgo 2pcs LM2596 Adjustable DC-DC Step Down Buck Power Convert Module 4.0-40V Input to 1.25-37V Output with LED Voltmeter Display - HiLetgo LM2596 Buck Step-down Power Converter Modules are adjustable with a voltage range of 1.25V ~ 37V. They come with a LED voltmeter display and an advanced microprocessor. These modules have a maximum output current of up to 3A and a stable operating current of 2A. They also feature overheat protection and short circuit protection. Note: Input voltage must be 4V or above to ensure the accuracy of the voltmeter. Brand: HiLetgo Model: 3-01-0167 -- LOT STICKER: TCE-BOX-BOXTCE00150-ITEM-7297186e___LPNRRGP8954415 -- 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. Raw Description: HiLetgo 2pcs LM2596 Adjustable DC-DC Step Down Buck Power Convert Module 4.0-40V Input to 1.25-37V Output with LED Voltmeter Display