ITEM NAME:DC/DC Converter 12V Step Down to 15W 5V 3A Power Supply D7J3 DC/DC Converter 12V Step Down to 15W 5V 3A Power Supply D7J3 Brand new and high quality Epoxy potting Stable and reliable Over voltage/current/short circuit protection Super thin, small size, easy installation and use Input: DC 12V Output: DC5V 3A, 15W Size: about 46 x 27 x 14 mm Synchronous rectification Conversion rate is more than 96% Very low heat Over voltage/current/short circuit protection Stable and reliable Super thin, small size, easy installation and use NOTE: Red wire is connected to positive pole, yellow wire to positive pole, and black wire to negative pole Package Includes: 1 x Converter 12V to 5V 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 +/- 1-3cm.