Diateklity Bicycle Headlights 1200 Lumen Cree T6 LED Mountain Bike Light 4800mAh Battery - Rechargeable & Waterproof - Free Taillight Included SAFETY - 1200 Lumen CREE T6 LED Technology and 4 hours runtime on high bright, makes you easy to be seen by motorists. Perfect for mountain biking / camping / hiking / running / cycling with included helmet accessories. EXTERNAL RECHARGEABLE WATERPROOF BATTERY - The battery is rechargeable and waterproof IP65 grade,that could be the top one in similar prdoucts. SMART SWITCH -Three mode options: HighMediumStrobe mode.Then hold power button for 3 seconds while light is off, to switch to the 5 mode option, offering you two more settings: HighMediumStrobe modeLow and S.O.S pattern. Multiple choices can adapt to various situations. BEST & COMPLETE BIKE LIGHT SET -Included a head belt, FREE tail light and three velcro straps which can help you securly fasten the light to your bike frame. PREMIUM QUALITY MATERIALS - Each bike light made with high quality, durable and water-proof materials. Also, we check each bike light carefully and make sure prefect before we send to our clients. 30 DAYS MONEY BACK GUARANTEE! ORDER NOW!