Voyager by Trail Tech: The Trail Riders GPS Voyager GPS Computer features: GPS speed, distance, compass, altitude, temperature, maps. View, organize, edit and share entire trail systems in 3D. Designed specifically to meet the needs of off-road riders. 240 x 400 WQVGA LCD - readable in intense sunlight. Engine performance linked to GPS data. Crash-resistant, off-road design. Upload routes from any GPS. Customizable user screens. Model-specific integration. Accurate tracks, even in the toughest terrain. Runs on vehicle power (or internal battery). Back-lit for operation in the dark. The Trail Tech Voyager GPS Computer Kit - Stealth includes the following: Trail Tech Voyager GPS Computer. Mounting hardware - Voyager handlebar mounting hardware. Included in every Voyager kit. Fits 1-1/8" - 7/8" handlebars. Positions Voyager in the center of the controls, in the safe zone below the bars. Wheel sensor - 1450 mm wire length. Magnet kit - Digital gauge magnet kit. Temperature sensor - 22 mm radiator hose insert: 900 mm (35 inch) lead. (Hose clamps included.) Note: Carbureted bikes without lighting circuits cannot power the Voyager, you must use the supplied lithium-ion battery.