4 Modes Halloween LED Glowing Eyes: Choose steady on, steady on with timer, flashing, or breathing. These red light up eyes create either a fixed sinister stare or an eerie pulsing effect for different Halloween scenes. | 4 Pack DIY Halloween Decorations: Use these scary glowing eye lights across several masks, pumpkins, skulls, or party props to create a coordinated haunted display. Includes 4 red LED eye-light sets; decorative props are not included. | Battery Operated Halloween Lights: Each skeleton eye-light set uses 2 AA batteries for cordless placement inside or behind compatible props.( Batteries are not included); all four Halloween eye sets require 8 AA batteries. | 6H/18H Timer Light Up Eyes: The built-in timer keeps the Halloween glowing eyes on for 6 hours and off for 18 hours, then repeats daily at the same start time, reducing the need to switch your decorations on and off manually. | Red Glowing Eyes for Skeletons and Skulls: Add a creepy illuminated stare to skeletons, skulls, masks, pumpkins, spiders, tombstones, costumes, and haunted house props with bright red LED Halloween eyes.