Size: about 6 x 5cm/2.36 x 1.97 inches, do not take up space This tail light is easy to install This tail light bracket can withstand a variety of environmental conditions, and is long lasting and ideal for taillights With mounting brackets, you don't have to worry about the tail light falling off or coming loose while driving This mount bracket allows you to mount the tail light on your bike, Manufacturer: Zeizafa