Water Resistant Front and Rear LED Bike Light Set - Cree XML-T6 Headlight (Also Makes a Headlamp) - 8800mah Rechargeable Battery,1200 Lumens - Rugged Aluminum Construction - 1 Red Silicone Material Taillight - Flashing Light Mode Alerts Motorists, for Your Safety Cycling -Tools Free Installation in Seconds - For Road, Racing ,Mountain Bicycles - Fits ALL Bikes - Batteries Included 3 switch Mode: Strong Brightness / Low Brightness / Flashing,EXTREMELY BRIGHT 1200 Lumen CREE LED Technology - This Bike Light gets UP TO 3 Hours on High, 5-6 hours on medium, 20 hours on Low Free Bonus head harness that the light attaches to, for RUNNERS, HIKERS AND CAMPERS...etc. 2 Heavy-duty O-rings for easy to Install ,Greatly Improves Your SAFETY On Dark Rides And Daytime Rides Highest quality and strongest aircraft aluminum ,anodized aluminum with glass lens, water resistant and weather resistant Taillight: One 3 modes high quality silicone material waterproof rear bicycle light