Cygolite Dice + Combo. Features: Designed with road cyclist and commuters in mind the Dice series provide plenty of light to be seen with in a small, rechargeable, and affordable package 8 light modes: High, group, single flash-day, triple flash-day, SteadyPulse-day, single flash-night, triple flash-night and SteadyPulse-night Lights feature Adaptive Flash, which senses day and night, automatically switching to the optimal flashing mode to maximize your visual presence at all times Light mode memory recalls last mode used Versatite flexible mount attaches to most handlebars including aero bars Dice Combo includes Dice taillight 50 Made in the USA Specifications: Brightness: 150 Lumens (Front), 50 Lumens (Rear) Battery Type: Rechargeable (USB) Run Time: 1 - 24 Hours (Front), 1.5 - 65 Hours (Rear) Beam Color: White, Red Color: Black Weight: 30g (Front), 30g (Rear)