The SR114 suction Car,Truck is compatible with devices that feature the Single T-Slot mounting pattern, including XM Satellite Radios (XM Onyx, StarMate, Stratus, Roady, Samsung Nexus & Helix). The mount is also compatible with devices having a 4-Hole AMPS pattern, including satellite radios such as Sirius S50, Sirius XM Onyx Plus, XM Onyx EZ, Sirius XM Lynx, Stratus 7, Dock & Play, and Sirius Dock & Play, vehicle-specific mounts (VSMs), cameras, GPS devices, or audio/video receivers. Holders and devices sold separately. This mount includes Arkon's PVC suction windshield or dash Car,Truck with both Single T-Tab and 4-Hole AMPS adapters. The mount is ideal for car dashboards, windshields, and other flat or slightly textured surfaces, and attaches easily with a one-touch lever. An optional adhesive disk is included for dash mounting. The arm of the suction mount adjusts vertically and provides 360° rotation, providing flexibility in positioning the device at any angle. Garmin GPS devices can also be mounted by simply unscrewing the swivel ball adapter and revealing the 17mm ball mount base.