KNACRO DC-DC 12V to 3.3V 3A 10w Step-Down Power Supply Module Car Power Converter Module Synchronous Buck Aluminum Shell -DC 3.3V 3A 10W-

Synchronous rectification, low heat, stable and reliable. High conversion rate, the highest conversion rate of 90% or more. Multiple protection: over-current protection, reverse polarity protection, thermal protection. Dustproof, waterproof, moisture, shock for a variety of harsh environments. Wiring: Red line: positive input; the black wire: negative; yellow line: positive output. Input voltage: 12V. Output voltage: 5V (there are 3.3V 3.7V 4.2V 5V 6V 7.5V 9V optional). Output Current: 3A MAX. Power:15W. Conversion efficiency: 90%. Over-current protection: 3.5A. Working temperature ?-25 ~ 60 ?. Size: 35 * 25 * 21mm/1.38*0.98*0.83?L*W*3H?. Installation Cable length: 13 ~ 14cm. Weight: 30g / 1.06oz. Package Included: 1*DC-DC 12V to 3.3V 3A 10w Step-down power supply module