Compatible with all Quad Lock® Motorcycle Mounts and the Quad Lock® Waterproof 12V to USB Smart Adaptor. (Power Source Required!) 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. 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. Detailed Specifications: