The Avenue R-75 COB light features 75 lumens with side illumination ports to allow you to be seen when riding across traffic lanes, and handy features such as memory function which turns the light on at the last mode it was turned off. Features: Avenue R-75 COB modes include high flash, medium steady, low steady, daylite pulse, nitelite pulse and economic flash Fully USB rechargeable - no batteries to buy or replace Run time up to 10 hours Power saving function- 10% power or less, lights will automatically switch to lowest lumen output Memory function turns light on at the last mode it was turned off Run time: 2 hours (High Steady Mode) 2 hours (Medium Steady Mode) 5 hours (Low Steady Mode) 4 hours (Daytime Pulse Mode) 5 hours (Nighttime Pulse Mode) 10 hours (Economic Flash Mode) Specifications: Brightness: 75 Lumens Battery Type: Rechargeable (USB) Run Time: 2 - 10 Hours Beam Color: Red Color: Black Weight: -