See and be seen with Garmin Varia RTL515 rearview radar with tail light. It pairs with your Edge bike computer, other Garmin device or compatible smartphone to alert you of vehicles approaching from behind up to 153 yards (140 meters) away. When used with your compatible smartphone, the Varia app helps increase your awareness with vibration alerts and more, With daylight visibility up to 1 mile, motorists will be able to see you from a distance, The radar's compact vertical design allows for device mounting on most road-use bicycles, And peloton mode provides a low-intensity flash that is kind to other riders' eyes when riding in a group., Rearview radar with tail light provides awareness of vehicles approaching from behind up to 153 yards (140 meters) away, Pairs seamlessly with your Edge bike computer and compatible smartphone as well as select Garmin wearables or the radar display unit, When used with your compatible smartphone, the Varia app provides graphics — plus tone and vibration alerts — that indicate approaching cars, When used with a compatible smartphone, Varia radar integrates with third-party apps such as Ride with GPS to overlay your maps with rearview radar alerts, Daylight visibility up to 1 mile alerts motorists to your presence as soon as possible, Compact vertical design mounts easily to most road-use bicycles, Battery life: up to 16 hours in day flash mode, up to 6 hours in solid mode. WHAT'S INCLUDED: Varia RTL515, Mounting Kit, Cables. 3.9"H x 0.8"W x 1.6"D, Weight: 2.5 -oz., Rechargeable lithium ion battery, Battery life: Up to 6 hr. in solid mode, Up to 8 hr. in peloton mode, Up to 6 hr. in night flash mode, Up to 16 hr. in day flash mode, Up to 3 mo. in standby mode hrs., Battery charge time: 2 hrs., Water resistant to 1 meters, Wireless: ANT, BLE, Compatible with Apple iOS, Android, Manufacturer's 1-year limited warranty. For warranty information please click here - https://cs.kohls.com/app/answers/detail/a_id/140, Model no. 010-02376-00,. WARNING: Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov - https://www.p65warnings.ca.gov/. Size: One Size. Color: Black. Gender: unisex. Age Group: adult. Material: NONE.