Sigma Eloy/Cuberider Combo, White Eloy: 4 High performance LEDs, up to 100 hrs of burn time, 2 modes: permanent and flashing, CLICK&GO handlebar mount, only 70g! Cuberider: 4 bright red LEDs illuminate a 220 degree field of vision providing outstanding visibility from the rear. Tool free CLICK&GO mounting. Up to 40 hours of burn time in constant mode. Universal fit. Batteries included Water tight Universal fit