These light blocking strips are for anyone looking to reduce the glare from LED their electronic devices. They are designed to fit seamlessly on routers, modems, and other household appliances, providing a clean and unobtrusive look. The stickers help create comfortable environment by minimizing light pollution and enhancing your overall well-being. Features -Color:Black -Material:Coated paper -Size:20.00X10.50X0.10cm/7.86X4.13X0.04in -Simple to use: these light dimming stickers are easy to apply; just peel and stick them on any for instant dimming -Wide range of applications: suitable for routers, controllers, alarm clocks, and other electronic devices, these stickers offer a versatile light dimming solution -dimming: these stickers can dim led lights by 50% to 80% and can be layered for increased dimming, allowing you to the light level -Variety of sizes: available in multiple sizes, these stickers can fit different devices, ensuring a match for all your electronics -Enhanced sleep environment: by dimming led lights, these stickers help create a darker environment, promoting better sleep and reducing nighttime disturbances Package list: 4pcs dimming stickers