1. Single USB interface design, meet the space, small installation, compact and convenient to carry, fast charging 2. Protect your car with multiple security guards 3. Built-in smart chip, strong heat dissipation 4. Fire-resistant, corrosion-resistant and durable 5. Intelligent matching shunt, adjust power output at any time, implement intelligent protection, widely compatible 6. Material: PC flame retardant material 7. Operating temperature: -40-80 degree centigrade 8. For cell phones, tablets and car chargers 9. Input voltage: 12-24v 10. Output voltage: 5V 11. Output current: 1.5A/2.4A/QC 3.0 12. Size: 33x 29x 18mm 13. Net weight: 14.4 g