. The Blinder Mini Chippy is so called because of the Chips on Board technology used to give a panel of light. These surface mounted LEDs punch well above their weight, with the 11 Lumens getting you seen from over 800m away. The Blinder Mini Chippy Rear Light comes with an integrated reflector face for added safety and with a weight of only 18 grams the light uses its tool-less attachment to securely connect to seatposts. It is designed to fit both standard and aero style seatposts Features: Light Output: 11 Lumens Modes: Steady, strobe, fading flash, lightning flash, eco flash Runtime: Steady: 2.2hrs; Strobe: 3.5hrs; Fading Flash: 3.2hrs; Lightning Flash: 4.5hrs; Eco Flash: 11hrs Weight: 18gBuy Knog Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.