Quad Lock Weatherproof Wireless Charginghead ** Power Source Required ** Compatible with all Quad Lock® Motorcycle Mounts and the Quad Lock® Waterproof 12V to USB Smart Adaptor. FAST CHARGING CAPABILITY - Easily use GPS navigation without draining your smartphone's battery. The wireless charging heads supports fast charging when coupled with adequate power supply. Please Note: *Power supply requirements may vary depending on phone brand and model. SECURE MOUNTING - The dual stage lock means you can ride with confidence as your smartphone is securely mounted to your motorcycle while it charges. IP66 WATER RESISTANT - Rain happens. So the Quad Lock® Weatherproof Wireless Charging Head is IP66 Water Resistant, allowing you to ride through the elements. EASY INSTALLATION -  The Quad Lock® Weatherproof Wireless Charging Head comes with everything needed to install with your Quad Lock® Motorcycle Mount (sold separately). USB-A to USB-C cables are inluded to charge directly from - Quad Lock Weatherproof Wireless Charging Head Size