1. Shell material: ABS\r\n2. Input voltage: 12/24V; output voltage: 220V\r\n3. Output interface: USB\r\n4. Output current: 500mA\r\n5. Operating temperature: 20 degrees celsius\r\n6. Suitable for most of the cell phone, MP3 and other switching power supply class low-power products charging\r\n7. The material is sturdy and durable, effectively preventing falls and collisions, not easily damage your favorite car\r\n8. Built-in cooling vents, fully protect your electrical appliances and car from overheating\r\n9. Fast charging, with over-current, short-circuit and overload protection\r\n10. Shell does not leave screw holes, beautiful and generous\r\n11. Size: 11 x 6 x 3.5cm\r\n12. Weight: 100g