The knog pronounced plus front bike light is a super bright, 100% waterproof and totally versatile usb rechargeable bicycle light. Mount the light to your seatpost, seat stays and pannier racks, or use the integrated wearable clip to attach the light to your t shirt or backpack. More of a runner than a cyclist? No dramas. The plus light also doubles up as a wearable night running light. Just attach the light to your tshirt, shorts, socks or headband using the smart integrated clip. With an output of 20 lumens and a run time of up to 40 hours in eco flash, the plus ensures you are well seen to all other cyclists, road users and trail runners all night long. Features integrated clip remove the light from the magnetic mount and clip it onto your shirt, shorts, socks or bags using the integrated wearable clip. Leds efficient chip on board cob leds designed to provide maximum brightness level for up to 90% of the battery burn time for each mode. Light modes steady, pulse, strobe, fancy flash, eco flash. 100% waterproof the plus is ip67 tested and 100% waterproof against all elements. Integrated usb plug no charging cable required, plugs directly into usb ports is designed to be exposed to the elements. Button longer button push on 0.75sec prevents accidental turn on. Short presses switch modes continuously. Charge time 4 hours led will turn off when fully charged. Battery usb rechargeable lithium polymer. Bike attachment tool less removable silicone straps for bars 22 32mm diameter with magnetic mount. Fits oversize bars. Accessories included 2x interchangeable straps for posts 22 27mm 28 32mm, and magnetic mount. Specification light type rear bike light running light light output 20 lumens dimensions 14 x 66 x 18mm weight 12g