1. 3 USB port design, charge 3 devices simultaneously 2. Digital display, real-time monitoring of car battery voltage 3. Multiple protections 4. PC fireproof material, charging with less heat, safer to use 5. Input: DC 12-24V 6. USB-1/2/3 output: 5V=3.1A 7. USB-1+USB-2/3 output: 5V=3.4A 8. USB-2+USB-3 output: 5V=3.4A 9. USB-1+USB-2+USB-3 output: 5V=3.4A 10. Total output: 17W (Max) 11. Material: ABS+PC fireproof material 12. Net weight: 24g
