These light dimming stickers are versatile and can be applied to a wide range of electronic devices, including routers, LED lights, and other appliances. The self-adhesive backing ensures they stay securely in place, while their easy-to-cut design allows for to suit your specific needs. Enjoy a more peaceful and light-controlled environment with these practical stickers. Features -Color:Black -Material:PVC adhesive -Size:20.70X11.00X0.10cm/8.14X4.32X0.04in -Effective light shielding: provides excellent light shielding for led lights, promoting a restful sleep environment by reducing light exposure -Adjustable dimming: enables you to adjust the brightness of led lights, making it suitable for various settings and moods -Quick and easy setup: the sticker design allows for quick and easy installation, ensuring no damage or glue on surfaces -Wide compatibility: great for use with a variety of led lightemitting devices, including routers and tvs, enhancing their functionality -great build: constructed from great materials, these stickers ensure durability and reliability over time Package list: 12 x sheets of blackout stickers