Waterproof Qi compatible wireless phone charging cradle features spring-loaded RAM® Quick-Grip™ design and 15W maximum output. This cradle allows for single-handed placement and removal of your phone while taking advantage of Qi compatible wireless phone charging. Both the top and bottom cups feature rubber to help hold your phone firmly in place. Ensures your compatible phone charges as long as it's within the listed compatible dimensions. A device tether is included that's recommended for outdoor applications. The connected Type-A male pigtail connector features an in-line switch that allows you to turn off the wireless charging module when not in use. For in-vehicle charging, attach the pigtail to the included 1.2m Type-A male to Type-A female extension cable. This kit includes a hardwire charger. Kit includes wireless charging cradle, B size diamond ball base, and hardwire chargerCompatible with B size double socket arm or your choice (Not Included)Made of powder-coated, marine-grade aluminum, stainless steel components, and high-strength composite for durability and reliability in the most demanding environments1-year warranty with proof of purchase requiredCompatible Dimensions: Height: 5.625" - 6.625", Max Width: 3.125", Max Depth: .7"