LightDims Customizable Original Strength - Light Dimming Sheets for Alarm Clocks, Electronics and Appliances and more. Dims 50-80% of The Light, Medium Size in Minimal Packaging. Dim Annoying LED lights on electronics and appliances in the home, office, or car Dims 80%-90% of Light. LightDims allows you to still view the light without flare and glare Contains 1 black colored 3.5" x 8 Medium sized sheet you can cut to size. Easy to use, just peel and stick Does not leave a sticky residue when you remove them