These LED light blocking stickers are designed to effectively cover and dim the bright indicator various electronic devices, such as air conditioners and power supplies. The stickers are made from sturdy materials that ensure durability and performance. They are easy to apply and remove without leaving any remain, making them practical for both temporary and permanent use. Features -Color:Black -Material:EVA -Size:23.60X15.00X0.20cm/9.27X5.89X0.08in -Effective light blocking: provides a better sleep environment by effectively blocking out unwanted light. -Versatile use: suitable for various devices such as power indicators and air conditioners, making it convenient and practical. -Antiglare design: reduces harsh light effectively, protecting your eye health. -Easy installation: adhesive design makes it simple to use and leaves no remain. -Reusable: can be stuck and removed multiple times without damaging the device surface Package list: 4 sheets x blackout stickers