Each pair of pink slotted shades has 6 matching LED lights that can be set to one of three different modes slow blink, fast blink, or constant on depending on your mood. Turning the popular shutter style glasses trend on its ear, these light-up pink slotted glasses will turn any nighttime event into a reason to party! Our Pink LED Slotted Shades are sold by the piece and come with 3 AG3 batteries included and installed. WARNING: These glasses by nature restrict the field of vision and should NOT be used while driving or when unobstructed vision is required.