Features: Brand new and high quality product. Built-in overcurrent and overvoltage protection, compatible with trickle charging and charging status protection. Two USB ports to charge two devices simultaneously. Real-time monitoring of car battery voltage (when no device is connected); displays charging current when charging a phone. Intelligent overvoltage protection via fuse, two smart chips for fast charging. Intelligent temperature reduction system: dissipates heat from the car charger's internal components, maintaining an optimal temperature for normal operation and extending its lifespan. Specifications: Material: ABS Input voltage: 12-24V Output: 5V Power: 18W Colors: Blue/Ice Blue/Red/Green Dimensions: Approx. 57 x 23 x 33 mm / 22.44 x 2.56 x 0.9 x 1.3 inches Note: 1. Please allow 1-2 cm error due to manual measurement. Please make sure you do not mind before ordering. 2. Due to differences in monitors, the actual color of the item may differ slightly from the displayed color. Package contents: 1 x car charger