Made for road cyclists and commuters, the Dice combo provides powerful vision and visibility in the smallest package possible. Fire up the night with the Dice(TM) 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(TM) 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. Dice(TM) HL 150 USB Headlight a Powerful 150 lumen output with 8 light modes a Built-in 24/7 Safety TechnologyA(R) gives you a powerful selection of night and day modes (Boost - High - Medium - Low - SteadyPulseA(R) Low - SteadyPulseA(R) High - DayLightningA(R) Triple Flash - DayLightningA(R) Single Flash) a DayLightningA(R) mode emits powerful lightning-like flashes to highlight your presence in broad daylight a SteadyPulseA(R) mode alerts night time motorists with pulses while constantly lighting your path a Enhanced Cycling Optics(TM) (ECO) expands your visibility with an extra wide and long range beam a USB rechargeable Li-ion battery a Low battery indicator a Light mode memory saves the mode you&';re in before the light is turned off a Low profile, water resistant design only weighs 30 grams a Flexible mount conveniently attaches to most handlebars including aero bars Dice(TM) TL 50 USB Tail Light a Powerful 50 lumen flashes with 8 light modes a Built-in 24/7 Safety TechnologyA(R) gives you a powerful selection of night and day modes (Boost - High - Medium - Low - SteadyPulseA(R) Low - SteadyPulseA(R) High - DayLightningA(R) Triple Flash - DayLightningA(R) Single Flash) a Flashing modes emit powerful lightning-like flashes to highlight your presence in broad daylight a SteadyPulseA(R) mode features a steady beam to help motorists gauge their distance while overlapping pulses keep them alert at night a Enhanced Cycling Optics(TM) (ECO) expands your visibility with an extra wide and long range beam a USB rechargeable Li-ion battery a Low battery indicator a Light mode memory saves the mode you&';re in before the light is turned off a Low profile, water resistant design only weighs 30 grams a Flexible mount conveniently attaches to most seat posts including aero styles Specs: Dice(TM) HL 150 USB a OUTPUT:- 150 lumens a TOTAL MODES:- 8 a CHARGE TIME:- 2 hrs a MOUNTING:- Flexible Handlebar Mount a BATTERY:- Built-in Li-ion a SYSTEM WEIGHT:- 30 g Dice(TM) TL 50 USB a OUTPUT:- 50 lumens flashing a TOTAL MODES:- 8 a CHARGE TIME:- 2 hrs a MOUNTING:- Seat Post a BATTERY:- Built-in Li-ion a SYSTEM WEIGHT:- 30 g In The Box: This product includes: a Dice(TM) HL 150 headlight a Dice(TM) TL 50 tail light a Flexible handlebar strap (preinstalled) a Flexible seat post strap (preinstalled) a Micro USB charging cable a User manual