With a 4000mAh large battery and max 1000 lumens, CR1000 is designed for road bikers that ride at night at fast speed and long-distance. Featuring RAVEMEN new anti-glare optical lens, CR1000 creates a T-shaped beam, illuminating the road with a floodlight for close-range distance and bright spotlight for far distance while has no dazzle to other road users. With a battery run time extension, CR1000 could be also used for long-distance riding and race.