Bbb laser 3 red led rear light uses 3 super bright micro leds water resistant housing rubber enclosed water resistant switch economic power consumption for longer lasting battery life 2 modes standard beam and flash beam easy mounting pre angled silicone strapmount bracket included bracket fits both standard and oversized diameters can be mounted on bbb saddlebag led mounting straps other bags or clothing due to clip on weight 56 grams size 65 x 38 x 26 mm