Fire up the night with the Dice™ headlight's incredible 150 lumens to see clear and far ahead, and stand out in broad daylight with intense lightning-like flashes. To cover your rear, the Dice™ 50 tail light stands out with its powerful and extra wide 50 lumen flashes. Both lights sense day and night, automatically switching to the optimal flashing mode to maximize your visual presence at all times. Get the most out of your ride with the performance and features packed into this combo light set. Patent pending.