❃❃Epoxy resin potting, shockproof, waterproof, moisture-proof, dust-proof, long-term stable and reliable quality. Overvoltage, overcurrent, overheating, and short circuit can be automatically protected and resume normal operation. ❃❃Convert unstable voltage DC 12V to stable DC 5V/3A 15W output ❃❃Commonly used in LED light, GPS navigation device, car recorder, displayer, MP3, MP4, cell phone and etc. ❃❃Our 12v/24v to 5v step down converters can be highly efficient (higher than 90%) ❃❃With USB Type-A female socket charging cable, widely used in cars, motorcycles and RVs ❃❃Note: No identification resistor, can not be used for some devices. Application: Use for charging cell phone, power for electronic device etc. Introduction Use imported and integrated switching regulator modules manufacturing,quality is stable and reliable. Synchronous rectification,, the conversion rate is 96% or more, very low heat.  Over voltage, over current, over temperature, short circuit, it can be auto protection,and can work in normal condition when restored.  Epoxy potting, seismic, water, moisture, dust, long term stable and reliable quality.  Super-thin, small size, high efficiency, easy installation and use.  Input voltage: DC8-20V, (12V changes to 5V)  Output parameter: DC5V3A, 15W Size: 46 x 27 x 14mm / 1.81 x 1.06 x 0.55 inch feature: Input overvoltage and undervoltage protection Input overcurrent protection Output overcurrent, short circuit protection, overheat protection  Package Includes: 2pcs DC-DC 12V/24V to 5V Converter