This single seat package features a powerful digital mobile radio for the ultimate performance on any track where radio power and distance are critical. Built for short course, sand rails, sand cars, trophy karts, UTV, mega trucks, and everything offroad racing.As the driver, this kit allows you to transmit via PTT (Push-to-Talk) to your crew chief, mechanic, support team, or base camp. The M1 mobile radio works with all digital and analog VHF radios, and all DMR digital radios: Motorola, Rugged, etc.. Easy installation and top components provide the best in communication. Radio Dimensions: 5.5"W x 6.75"D x 2"H Front / 1.5" H Back Kit includes : Powerful digital mobile radio VHF 1/2 Wave Spring Antenna Uni-Mag NMO Mount Single Seat Car Harnesses Velcro Mount PTT Your choice of headset or helmet kit iPod/MP3 Music Cable Complete Intercom Kit Installation: Click HereInstallation Procedure Guide (Tech Bulletin): Click HereRugged Radios M1 User Guide: Click HereRugged Radios M1 User Manual: Click HereHelmet Kit Installation Guide: Click Here