Feature: 1. Dual USB output: The product has dual output interfaces, which can charge two devices at the same time, charging current: of 3100mA 2. Input parameter: 12V. 3. With blue LED indicator: Thi more→s product has a blue LED indicator, which is easy to find at night. 4. Installation with two screws: The installation of the product is very simple, no other tools are required, and the installation process is very convenient. 5. High Quality: The product is made of fireproof, durable, drop-proof, and water-absorbing material. 6. Battery type: without battery. 7.Size:81mm*41mm. Package Included: 1 x Car Charger. 2 x Installation screws.