Feature: 1. Mini Single USB output: charging current: 2400mA. 2. Input parameter: 12V. 3. Installation with two screws: The installation of the product is very simple, no other tools are required, and more→the installation process is very convenient. 4. High Quality: The product is made of fireproof, durable, drop-proof, and water-absorbing material. 5. Battery type: without battery. 6.Size:3.3mm*2.9mm. Package Included: 1 x Car Charger