MaiTech 12V to 5V 3A DC-DC Step-Down Power Supply Car Power Converter - Black
Feature 1. Synchronous rectification low fever; 2. Waterproof moisture shock adapt to harsh environments; 3. Low power consumption high slew rate (no-load power consumption 10-12mA maximum conversion efficiency of 96%); 4. Protection: Reverse polarity protection output short circuit protection over current protection over-temperature protection; 5. Wiring instructions: Output red is positive black is negative.