12V to 5V USB Converter: Input Voltage: 12V DC; Output voltage: 5V; Output current: 3A max; No-load current: 10mA; Output power: 15W max. DC to DC buck converter has built-in switch slim regulator module, the conversion rate reaches 96% Intelligent protection: DC 12V to 5V converter uses intelligent microprocessor chip, over voltage, over current, over temperature, short- circuit, it can be automatic protection Wide application: DC 12V to 5V converter module suitable for GPS navigation, driving recorder, electronic dog, car radio, car audio, MP3/MP4, walkie-talkie , surveillance system, bus display, taxi advertising screen, driving recorder, LCD TV, LED, etc. Warm prompt: the power of these devices should be less than 15W when you use this DC/DC 12V converter at 5V, and not compatible with partial Samsung phones From the moment your product is delivered, it will be covered for accidental damage and any mechanical/electrical defects not covered by the manufacturer’s warranty. Cover is