The RVR315 is best suited for those that want the radar functionality, but do not want the integrated light of the RTL 515.

• 7 hour battery life. Rechargeable with Micro USB.
• Provides visual and audible alerts to warn of vehicles approaching from behind up to 153 yards (140 meters) away
• Tail light offers daylight visibility up to a mile away and is visible within a 220° range, so drivers can see you well before the radar sees the vehicle
• Sleek vertical design easily mounts to most road-use bicycles, including racing, touring and commuter styles
• Requires a dedicated radar display unit or wirelessly integrates with compatible Garmin devices