Easy Installation: The bicycle pedals have a clear mark to identify the installation direction: "L" for the left pedal and "R" for the right pedal. Easy to install and remove in minutes in the correct direction.
Charging it around 90 mins and last lighting around 6 hours depending on you are using-Solid or Flash lighting. Throw it into hazardous waste bin when it no longer works. e.g. the size,weight and the pins' shape, etc.