KNACRO DC-DC Convert 12V 7.2V- 24V to 4.2V 3A 12.6W Step-Down Power Supply Module Power Converter Module Synchronous Buck with Reverse Connection Protection

Properties: synchronous step-down power module Input voltage:12V( DC 7.2-24V). Output voltage: 4.2V . Output Current: 3A MAX (2A recommend the following long-term work). Power:12.6 W. Conversion efficiency: Up to 90%. Static power consumption: about 10-12mA. Operating temperature: Industrial grade (-20 ? to + 60 ?), Limit: -40-80 ?. Protection: overcurrent protection, export short circuit protection, reverse polarity protection. Wire length: about 130mm / 5.12in. Body size: 64 * 27 * 13.7mm / 2.52 * 1.06 * 0.54in (L * W * H). Weight: 29g / 1.02oz. Package Included: 1*DC-DC 12V to 4.2V 3A Step-down power supply module