Packed with more technology than meets the eye, the new Dice fires up the night with an incredible amount of light, and stands out in broad daylight with some intense flashes. It also senses day and night, automatically switching to the optimal flash mode. The Dice Duo is a headlight and taillight in one, one light to do it all. Low battery indicator and light memory mode saves the mode the rider is using when the light is turned off. Features Enhanced Cycling Optics that cast an extra wide and long range beam compared to conventional lighting optics. Water-resistant design for all riding conditions. Eight headlight and eight tail lightlight modes for use on roads and commuting. Functions as 110 lumen bicycle headlight or 30 lumen taillight, hold the power button for 3 seconds to switch modes. Item Specifications: Weight: 30, Battery: Rechargeable, Recharge Type: USB, Lumens Front: 110,