1. It is flame retardant, not easy to deform and features high temperature resistance, corrosion resistance, durability. Extreme speed charging, multiple protection. 2. 12-24V voltage can support motorcycle electric vehicle installation, can be used for mobile phones, tablets, navigation, GPS, etc. 3. Wiring instructions: The copper terminal at the back of the product: +, to connect the positive pole of the power supply; the logo of: -, to connect the negative pole of the power supply. 4. The product with waterproof and dustproof cover, it is safer to use. 5. Specification: Input voltage: 12-24V Output voltage: 5V Output current: 2.1A USB number: 2 Measurable voltage: 6-38V 6. The voltmeter can check the battery voltage condition at any time to prevent the safety hazard caused by poor battery.
