Features: Car for DC 12V to 5V Step Down Converter. Max Current 3A 15W. Can quickly charge your phone/DVR/Tablet/GPS/ebook/other 5v powered devices Direct link(Hard-wired) to your car battery, no need to occupy your ciga lighter power port. Built-in over-voltage, under-voltage, overload, over-heat and short circuit protection Dual USB Female Ports. Universal for all electronic devices. 3A 15W high power. Can quickly charge your devices. High quality and performance.3 Year Warranty Car Power 12V Input, 5V Output, 3A Max Output Current With dual charge ports. They will be very quick to charge your phone/tablet/GPS tab/car dvr/other 5V Powered devices, the conversion rate is 96% or more, low heat. Over voltage, over current, over temperature, short circuit, it can be auto for 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 Specifications: Module Properties: non-isolated for buck module (for BUCK) Rectification: synchronous rectification Input voltage: for DC 12V Output voltage: 5V Output Interface: 2 Female USB Ports Output Current: 3.0A (MAX) Conversion efficiency: Max 95% Power Cable Length: 12cm USB Port Cable Length:25cm Size: 4.6cmx2.7cmx1.4cm Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x USB Charger Adapter