Knog Blinder Square is a set of lamps with an impressive 200/100 lumens using new COB technology to let you see safely in all conditions. The lamps feature a grid pattern that makes these blinder lamps one of Knog's most graphically individual lamps, as well as 8 lighting modes. The flasher has 8 different lighting modes, and is available as a front light, rear light and front and rear light combination to form a single pair. The advantage is that no charging cable is needed, it connects directly to USB ports and is designed to withstand the elements. Mounting on your bike couldn't be easier. The silicone strap with metal clasp installs without tools on tubes from 22 to 40 mm in diameter. The blinder features integrated USB charging, is 100% waterproof and has a battery life of 60 hours in eco-flash mode. Front light 200 Lm Rear light 100 LmLOW BATTERY INDICATOR: The red light next to the on/off button will stay on for 2 seconds after the light is turned off if the battery is almost dead.