Cygolite Dice TL– 50 Lumen Bike Tail Light– 5 Night & 3 Daytime Modes– Ultra Compact Design– IP64 Water Resistant– Sturdy Flexible Mount– USB Rechargeable – for Aero Road & Commuter Bicycles, Black

• Powerful 50 Lumen USB rechargeable bicycle tail light in one cubic inch, for road cycling & commuting
• 8 modes (hr.): hi (1. 5), 1x flash day (20), 1x flash day (55) S. Pulse day (8), 1x flash night (11), 3x flash night (35) S. Pulse night (6. 5), group (65)
• Steady Pulse's steady beam helps motorists gauge their distance while overlapping pulses keeps them alert; Day Lightning's flashes stand out by day
• Only one cubic inch in size; extra wide, long range beam; USB charging; low battery indicator; water resistant; weighs only 30 grams
• Designed, engineered, and assembled in the USA

Description You'd never expect this much power packed into one cubic inch, but we did exactly that. The new Dice 50 tail light is engineered to stand out day and night, delivering powerful and extra wide 50 lumen flashes. Engineered for road cyclists and commuters, it's extra wide beam maximizes your presence from afar while its low profile flexible mount keeps secure on the seat post, including aero shapes. It even senses day and night, automatically switching to the optimal flashing tempo.