STAY AWARE OF APPROACHING CARSThis rearview bike radar pairs with your Edge® bike computer or compatible smartphone to alert you of vehicles approaching from behind.Key Features:Reliable rearview bike radar lets you ride like you know whats coming.One radar. Multiple display options. Pair it with your compatible Garmin device, your phone or both.Dont have an Edge® or other compatible device yet? No problem. The Variaapp has you covered.Its small, its easy to mount, and it works with just about any bikeGet more life out of your radar with up to 7 hours of battery life.MAXIMUM AWARENESSVariaRVR315 rearview radar provides visual and audible alerts for vehicles approaching from behind up to 140 metres away.MULTIPLE PAIRING OPTIONSThis bike radar works seamlessly with your Edge bike computer or compatible smartphone as well as selected Garmin wearables.WORKS WITH THE VARIA APPThis smartphone app helps you increase your awareness by providing graphicsplus tone and vibration alerts