12V to 5V USB converter: input voltage: 12V DC; Output voltage: 5V; Output current: 3A (max. ); No-load current: 10mA; Output power: 15W (max. ) High conversion: DC to DC buck converter features integrated switch thin regulator module, the conversion rate is as high as 96 Intelligent protection: 12V to 5V DC converter adopts intelligent microprocessing chip, over voltage, over current, over temperature, short circuit, it can be auto protection Wide application: DC converter module 12V to 5V is suitable for car LED display, GPS navigation, driving recorder, electronic dog, car radio, car audio, MP3/MP4, surveillance system, bus display, taxi advertising screen, driving recorder, LCD TV, LED, etc Warm prompt: the power of the device using this DC/DC converter 12V to 5V must be less than 15W, and this converter is not compatible with partial phones