[Dual QC3.0 USB Ports] Charge two devices simultaneously at full speed on each USB port. QC3.0 supports up to 4 times faster speed than conventional chargers for fast-charging devices. Compatible with Quick Charge 2.0 and 1.0. Suitable for all popular USB devices. [Waterproof and Heat Resistant] Made of advanced ABS materials with IP66 waterproof rating, the 12V socket works well in high and low temperature environments (-20°C to +80°C). With overload, overcurrent, and short circuit protection to ensure charging safety, built-in reverse connection protection ensures that the circuit will not burn out if the wiring is incorrect. [Waterproof Switch] The car USB socket is integrated with a touch on/off power switch for power control, which saves energy and extends the life of the product and devices. It saves electricity and consumes no power when turned off. [Easy to install.] There are two different installation methods for motorcycle chargers, and there are two different brackets to support installation on the rearview mirror and handlebar respectively. You can choose according to your needs. [Wide range of applications.] Charger QC 3.0 USB charging socket is suitable for all 12-24V motorcycles. Can be installed on motorcycles, ATVs, snowmobiles, and other travel tools. Weight: 130G Size: 2.95 * 2.24 * 5.88 cm Mounting diameter: 2.2 cm Material: ABS material + nylon bracket Input voltage: DC12V-24V Normal output: 5V / 2.4V Fast charging output: 4V / 3.6; 5V / 3.4A; 9V / 2.5A; 12V / 2A Maximum power: 24W DC withstand voltage: 24V USB number: 2 * QC 3.0 fast charging Working temperature: -20°C to 80°C Waterproof rating: IP65 Product use: can be used to power most mobile products such as mobile phones, tablets, IPAD, navigation, and GPS. Scope of application: can be installed on motorcycles, ATVs, snowmobiles, and other travel tools Product features: There are a variety of protection functions: Input overvoltage, undervoltage protection, output overcurrent, overvoltage, undervoltage, short circuit protection, reverse connection protection, high-temperature protection inside the chip. Package list: USB charger * 1. Bracket * 2