Stay safe and visible on your rides with the DYZI ALUMINATE-3000 Bike Light. Featuring powerful CREE XML LEDs, this light provides a wide beam for day and nighttime visibility. The USB rechargeable design eliminates battery waste, while the built-in 3000mAh battery offers up to 8 hours of runtime. The aluminum shell ensures durability, while the easy-to-install mount and versatile clipping system make it a breeze to attach and detach. 2 The DYZI ALUMINATE-3000 doubles as a power bank to charge your phone on the go, and its water-resistant construction keeps it functioning in all weather conditions. 3 As a British company, DYZI prioritizes your safety and backs our products. Dyzi Rechargeable Bike Lights Set Premium Waterproof Bicycle Front & Back Light in Black