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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 included switching regulator modules, the quality is stable and dependable 2 Synchronous rectification, the conversion fee is above 96%, and the warmth is extremely low three Over-voltage, over-current, over-temperature, short-circuit, can be mechanically protected, and can paintings usually when restored 4 Epoxy potting, anti-shock, waterproof, moisture-proof, dust-proof, long-term secure and reliable quality 5 Ultra-thin, small size, high efficiency, smooth to put in and use Product parameters: Input: DC 8-20V, (12V becomes 5V) Output: DC 5V, 3A, 15W Dimensions: 46mm X 27mm X 14mm Package Size: Waterproof power supply*1