Enhanced Sleep Environment: Effortlessly reduce LED glare by 50% to 80%, promoting quicker and deeper sleep with these blackout stickers for electronics. | Various Sizes And Shape: Choose between circle and rectangle stickers, each led light blocking stickers sheet measuring 100 x 200 mm.There are also all black light dimming stickers available for your various needs, and you can cut them into any shape. | Effortless Application: Apply with ease using the peel-and-stick method-no residue or surface damage. | Multi-Purpose Design: Ideal for routers, gaming consoles, TV boxes, and home devices, effectively dimming disruptive LED lights for undisturbed sleep. | Value Pack: Includes 4 sheets light dimming stickers-2 pre-cut and 2 uncut sheets for personalized customization. Circles range from 1/4 to 3/4 inch, squares from 1/4 to 2 inches, covering various needs with each 4 x 8 inch sheet.