The Delphi Roady Xt Wireless Remote Control for XM Satellite Radio is a great accessory for those with an Roady XT receiver who need a remote. It lets you turn the receiver on and off, access presets, adjust menu settings, and surf channels, and even access TuneSelect. The Roady XT remote inlcudes a button-type lithium battery. Package Details: Includes: • Delphi Roady XT Wireless Remote • Lithium Battery Product Features: • Scan Button for Presets • Categories • Jump Button to Toggle Channels • Wireless Technical Specifications: Model #: SA10183 Manufacturer: Delphi Dimensions: 3-3/4"H x 1-11/16"W x 7/16"D. Weight: 1 lb. Available Documentation: In order to view our radio hardware manuals online, you will need to have Adobes Acrobat Reader installed on your computer. If you do not yet have Acrobat Reader, please visit Adobes web site to download the reader free of charge. none