1. It is flame retardant, not easy to deform and features high temperature resistance, corrosion resistance, durability. Extreme speed charging, multiple protection. 2. 12V voltage can support motorcycle electric vehicle installation, can be used for mobile phones, tablets, navigation, GPS, etc. 3. Installation method: Faucet or rear view mirror 4. The product with waterproof and dustproof cover, it is safer to use. 5. Specification: Input voltage: DC12V Output voltage: 12V/5V Output current: 4.2A USB number: 2 Cable length: about 150cm 6. The voltmeter can check the battery voltage condition at any time to prevent the safety hazard caused by poor battery.