Using new Chip On Board (COB) technology, the Blinder rear bike light produces a punchy 100 lumens and is brilliant for attracting attention on the road or trail in all light conditions. No Ordinary Rear Bike Light Blinder is one of Knog's most individual rear bike lights ever, adding serious personality to you ride. Be seen from up to 1500 ft away USB rechargeable Integrated USB-A connector for cable free charging Waterproof with IP67 rating Up to 60 hr runtime in Eco-Flash mode Up to 2.5 hr runtime in High Steady mode Available in 5 unique flash patterns 8 light mode settings WHAT'S IN THE BOX Blinder Rear Bike Light Blinder Rear Clasp 1 x Small 22 – 27mm Blinder Strap 1 x Medium 27 – 32mm Blinder Strap 1 x Large 32mm+ Blinder Strap