KNOG Blinder Road Rear USB Rechargeable Light, Black

Features Constant Current Drive Technology that maintains consistent brightness for optimal visibility. To turn the light on and off, it requires a one second press-and-hold Side illumination provides 300 degrees of visibility Dual beam lens provides light visible up to 800 meters USB extension cord included Intergrated USB, low battery indicator Output: 66 Lumens Strobe Waterproof construction Peloton Mode: 13 hours, Eco Flash: 20 hours Steady Mode: 3.5 hours, 2 and 3 Flash: 4 - 5 hours| Item Specifications Battery Size N/A,N/A Weight 15,15g Bulb 1 Red LED ,1 Red LED Run Time 11 Hours Battery USB Rechargeable,USB Rechargeable