Garmin Varia RTL515 Cycling Rearview Radar with Wearable4U Cycling Multi Tool

• 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. Peloton mode provides a low-intensity light flash that is perfect for cycling in groups.
• 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.
• No matter what kinds of bike, mountain bike, road bike, foldable bike, children bike, ordinary bike or fixed bicycle, Wearable4U Cycling Multi Tool 16 in 1 can help you fix the problems easily. It can also do basic maintenance work, can be used as daily household repair tool.

Rearview radar with tail light provides awareness of vehicles approaching from behind up to 153 yards (140 meters) away.