Description: 1)This is a waterproof handlebar on/off metal light switch. 2)The push button is made of aluminum alloy, Wear resistance and corrosion resistance 3)It comes with a red indicator light 4)Easy to install , convenient to use. 5)Universal fit for 22mm/1 inch diameter handlebars. Please make sure you have 1" Handlebars and not 1 1/4".