Max 200LUMEN 8 kinds of flashing patterns weighing only 1.2 oz (34 g). The entire light is covered with COB LED for a new look. Maximum light: Rear 100 LUMEN has evolved twice as bright as previous models. CABLELESS ONE TOUCH USB CHARGING Of course, it is 100% waterproof. Back design for aero handles and seat posts, removable silicone strap with 3 rear length options With 8 different flashing patterns, KNOGs unique pattern will let you know you have your bike. Product color and size: The color of the product may look different from the actual product depending on your display settings. Product specifications, logo design, etc. may be subject to change for product improvement. We also cannot answer measurements or personal fit that the manufacturer does not announce. Please be aware of