DC-DC Step Down Buck Converter Power Supply Module for Car 12V to 5V 3A 15W for Car Male Female USB Mini USB Micro USB Adapter Product promoting point: 1 Manufactured with imported incorporated switching regulator modules, the standard is secure and dependable 2 Synchronous rectification, the conversion charge is above 96%, and the heat is amazingly low 3 Over-voltage, over-current, over-temperature, short-circuit, could be robotically protected, and can paintings normally when restored 4 Epoxy potting, anti-shock, waterproof, moisture-proof, dust-proof, long-term steady and reliable quality five Ultra-thin, small size, high efficiency, easy to install and use Product parameters: Input: DC 8-20V, (12V turns into 5V) Output: DC 5V, 3A, 15W Dimensions: 46mm X 27mm X 14mm Package Size: Waterproof strength supply*1