Features: The USB charger adapter converter module can convert unstable voltage DC 12V to stable DC 5V / 15W 3A output. Made of imported integrated switch ultra-thin regulator module, the conversion rate is more than 96%. ABS housing characterized by waterproof, anti-shock and damp-proof, long term stable and reliable quality. Dual USB charging ports, allows to charge any two smart phones or tablet devices at the same time. The module boasts of automatic protection function when over voltage, over current, over temperature and short circuit braking and restore normal work after the conditions. Super-thin, small size, high efficiency, easy installation and use. Specifications: Condition: 100% Brand NewCondition: 100% Brand New Material: ABS + Metal Color: Black Size: 4.1 * 2.1 * 1.8cm / 1.6 * 0.8 * 0.7in Cable Length: 50cm / 19.7in Input Voltage: 12V Output Voltage: 5V Output Current: 3A Output Power: 15W Package Weight: Approx.54g Package List: 1 * DC 12V to DC 5V Converter Module