About this item DC converter module Input voltage: DC 12V; Output voltage: DC 5V; Output current: 3A max; No-load current: 10mA; Output power: 15W maximum. This 12V to 5V USB converter utilizes an intelligent processing chip that provides overvoltage protection, overcurrent protection, over-temperature protection, and short-circuit protection, ensuring stable and durable performance. The DC converter features dual USB charging ports, allowing you to charge 2 devices simultaneously. It has an integrated ultra-thin regulator module, achieving a conversion rate of up to 96%. This DC converter module is characterized by its waterproof, seismic, and moisture-resistant properties. It's widely used for driving recorders, electronic devices, car radios, MP3/MP4/PSP, GPS navigation, walkie-talkies, surveillance systems, and more. Size description: 3.74 x 2.95 x 0.98 inches.