PDW Daybot Taillight. Features: Designed to be used in the daytime or night the Daybot features a CREE LED to power a 100 lumen for daytime modes 2 Day Modes (runtime): Solid - 60 lumens (6 hours), Pulse - 100 lumens (20 hours) 3 Night Modes (runtime): Solid - 20 lumens (20 hours), Flash - 20 lumens (100 hours), Pulse - 20 lumens (30 hours) USB rechargeable li-polymer battery Includes brackets for seatpost and seatstay mounting and Micro USB recharging cord Specifications: Brightness: 100 Lumens Battery Type: Rechargeable (Micro USB) Run Time: 3 - 40 Hours Beam Color: Red Color: Red Weight: 54g