The Flare R City tail light is daytime visible and designed for the city. Focused optics and an interruptive flash pattern make it visible up to 900m away during the day. Integrated side lighting helps add visibility on this compact and powerful rear Daytime Running Light. An LED fuel gauge makes it easy to see battery status for up to 24 hours of run time. Blendr compatibility and included quick connect mount offers simple removal for recharging via the included USB-C cable. Flare R City Rear Bike Light Features Specifically designed focus, flash, and range flash patterns for powerful daytime visibility for up to 900m away Increased battery capacity offers up to 40% more run time than the previous generation Visible fuel gauge LEDs make it easy to see the up to 24-hour battery status Integrated side lighting for added visibility from more angles, perfect for city and urban use Blendr compatible for mounting to handlebar, stem, or helmet with optional accessories 20LM Day Steady - 5hrs, 2LM Low Steady - 21hrs, 35LM Day Flash - 10hrs, 2 LM Night Flash 24hrs, charge time 2hrs IPX7 waterproof rating to confidently ride through wet conditions Includes quick-connect mount and USB-C charging cable (2hr charge) Trek Flare R City Specs Battery: 350Li-Ion Milliampere-hour (mAh): 350mAh Rechargeable: Yes Charge Time: 2 hours Waterproof Rating: IPX7 Wireless Compatibility: Not Compatible Blendr Compatible: Yes Weight: 50 grams