LED shot glasses are the perfect way to get your night started off right! Great for holiday parties, birthday parties, bachelor/bachelorette parties, and more. This shot glass has multicolor LEDs (red, blue, and green) that turn on and flash with the switch of a button. Measures 2.25″ in height and has a 2″ diameter. 1 LED shot glass is included in a box. Batteries are included and installed!