The Dot’s surface mounted LEDs punch well above their weight, with the 20/11 lumens for front/rear getting you seen from over (800m) away. Dot, vain as she is, has a faceplate for added style. With a weight of only 18 grams the light uses its tool-less attachment to securely connect to handlebars and frames of 22–32+mm. Designed to fit both standard and oversize handlebars and aero style seatposts. LIGHT OUTPUT: 20 lumens DIMENSIONS: 31 x 31 x 14mm WEIGHT: 18g STORAGE MODE: To activate storage mode make sure light is first turned off. Then hold down the on/off button for 5 seconds and release when red LED comes on. This LED will stay lit until the light drops into storage mode. To reactivate light, plug into USB port and charge as usual. Once charged light will turn on as before. CHARGING: When plugging the light into a USB port to charge a red LED will display on the on/off switch of the light to indicate that the light is charging. When fully charged this light will turn green to indicate charging is complete.