12V to 5V USB converter: input voltage: 12V DC; Output voltage: 5V; Output current: 3A max; No-load current:10mA; Output power:15W max Dual USB and high conversion: our DC to DC reduced voltage converters have dual USB charging ports, allows to charge 2 devices charge at the same time; DC to DC buck converter have integrated switch thin regulator module, the conversion rate is as high as 96% Intelligent protection: 12V to 5V DC converter is using intelligent microprocessing chip, over voltage, over current, over temperature, short circuit, it can be auto protection Wide application: DC converter module 12V to 5V 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: those devices' power must be lower than 15W when use this DC/DC converter 12V to 5V, and not Compatible with partial Samsung phones 2 Pieces DC converter 12v to 5v 3a 15w DC buck converter module, DC to DC reduced voltage regulator car power converter with double usb output power adapter Feature:: DC 12V to DC 5V converter module: Input voltage: DC 12V Output voltage: 5V Output current: 3A max Output power: 15W max Conversion efficiency: 96% Specification: Color: as pictures shown Size: Module: 2.52 x 1.06 x 0.55 inches USB cable length: approx. 31 cm/ 12.2 inch Input cable length: approx. 13.5 cm/ 5.3 inch Package includes: 2 x DC Converter 12V to 5V 3A 15W DC buck converter module 2 Pieces DC converter 12v to 5v 3a 15w DC buck converter module, DC to DC reduced voltage regulator car power converter with double usb output power adapter Feature:: DC 12V to DC 5V converter module: Input voltage: DC 12V Output voltage: 5V Output current: 3A max Output power: 15W max Conversion efficiency: 96% Specification: Color: as pictures shown Size: Module: 2.52 x 1.06 x 0.55 inches USB cable length: approx. 31 cm/ 12.2 inch Input cable length: approx. 13.5 cm/ 5.3 inch Package includes: 2 x DC Converter 12V to 5V 3A 15W DC buck converter module