The Plug is a rear bike light that harkens back to Knog’s roots, using overmolded soft touch TPU in three fun colours. Kicking out 10 lumens this light is packed with features, including a low battery indicator, rear domed lens, and like all Knog bike lights it's USB rechargeable. No Ordinary Rear Bike Light Designed to work with all genres of bicycles from commuters to road bikes, the Plug comes with two silicone bands for securing it to seat posts - including aero posts. USB rechargeable Waterproof with IP67 rating Long runtimes up to 100+ hrs 5 light mode options Simple one-button operation Compatible with standard & aero seat posts Light Modes Modes Runtime Max 3 hrs Pulse 6 hrs Flash 20 hrs Random 16.5 hrs Eco-Flash 100+ hrs WHAT'S IN THE BOX Plug Rear Bike Light 1 x Small 22 – 27mm Strap 1 x Medium 27 – 32mm Strap