Easy-to-install just snap it in the included bike mount & go High-sensitivity GPS receiver knows your position even in tree cover & valleys making it extremely reliable for navigation Customisable cycle computer shows up to eight different data fields for continuous feedback Virtual Partnerand 153lets you race a virtual competitor making training fun Courses lets you race against a recorded course to try to match previously set speeds at every point along the way Auto Pauseand 153 pauses the training timer when you slow down below a specified speed & resumes when you speed up again so you can focus on your ride Auto Lap and 153 automatically triggers a lap every time you pass a specified location or travel a preset distance Training Center software gives you the ability to create workouts manage & download courses & create a detailed post-ride analysis that charts your performance Take your ride to the next level with the Edge 205 Garmins GPS-enabled personal trainer & cycle computer. Perfect for touring & the trails the lightweight Edge is the ultimate fitness partner. With the easy-to-use Edge 205 on your bike you always know where youre going & how far youve gone. For advanced cyclists the Edge 305 is available with either a heart rate monitor or a wireless speedpedalling cadence sensor to help you achieve your personal best. Take your ride to the next level with the Edge 205 Garmins GPS-enabled personal trainer & cycle computer. Perfect for touring & the trails the lightweight Edge is the ultimate fitness partner. With the easy-to-use Edge 205 on your bike you always know where youre going & how far youve gone. For advanced cyclists the Edge 305 is available with either a heart rate monitor or a wireless speedpedalling cadence sensor to help you achieve your personal best.