NOTRE Cannonball Light with Retro Two Mounting On/Off Switch, Design, Energy-Saving, High-Brightness LED, Brackets, Battery-Operated (Steel Silver)

---------------------------------------------------------------------- We provide two types of mounting brackets that are compatible with most bicycles, allowing for hassle-free installation; It is battery-powered, so there is no strain on the pedals when you pedal; Size: Diameter 8.2cm, Length 14.5cm (body 11.5cm + brim 3cm), Weight: 0.25kg (including brackets, without batteries), Material: Steel, Color: CP Silver & ED Black; Dedicated mounting brackets (2 pieces), mounting tools not included; Two modes: on and off;