Specifications: Product name: Dual USB car charger Product model: YC-C21 Product color: Black Input voltage: 12-24V Working temperature: -40°℃-80℃ Output voltage: 5V Product material: PC flame r more→etardant material Product Applicable: Mobile phones, tablets, etc. Wiring instructions: +positive, -negative Product Size: 48*64*37mm Features: 1 100% brand new and high quality. 2. Waterproof USB charging socket Fits for any flat exterior application. 3. ABS High Temperature Resistant Nylon Flame Retardant. 4. Compact design and practical function, perfect for travel use. 5. 3.1A Dual USB Power Charger, Great for charging your Phones, Tablet, Android Devices, PDA, GPS, etc. 6. Universal