This product has self-adaptive function, built-in smart chip, can automatically adjust the current output size according to the needs of electronic devices, without worrying about the current size, can be intelligently charged with USB interface electronic devices, such as mobile phones, cameras, driving recorders, navigators Wait, the SAE line is equipped with a 10A fuse, and the fuse can be replaced after it is burned. Feature: 1. USB output voltage has three options: 5V/3A, 9V/2A, 12V/1.5A, support For QC2.0/QC3.0/PE+1.1/PE+2.0 And FCP lamp fast charging protocol, according to the electronic Intelligent current output required by the device. 2. Can be installed on DC12-24V motorcycles, scooters, motorcycles and other transportation tools. 3. ABS material, heat-resistant, corrosion-resistant, and flame-retardant, with a very high safety factor. 4. With a black shell and fine workmanship, the whole product looks high-end atmosphere. Specification: Product name: single USB fast charge charger. Product net weight: 190G. Product gross weight: 295G. Packing size: 15.2*4.4*22.5CM. Packing method: Color Box. Product color: Black. Input voltage: DC12-24V. Output voltage: 5V/9V/12V. Output current: 5V=3A*2, 9V=2A*2, 12=1.5A*2. Product material: ABS material, PVC. Number of USB: 1. Waterproof rating: IP65. Product bus length: 212CM. extension cord length: 35CM. Product usage: It can be used to power most electronic products such as mobile phones, tablets, navigation, etc. Range of use: DC12-24V voltage can be installed on motorcycles, scooters, motorcycles and other transportation tools. Package Included: 1 X Charger body. 1 X M4*8 screw. 1 X Flexible joint chain. 2 X U-shaped buckle. 1 X M4 nut