WindowAlert decals help prevent wild birds from accidently striking windows. Each decal has a special coating that reflects ultraviolet sunlight. This ultraviolet light is invisible to humans, but birds see it as a brilliant glow – much like a stoplight.
To the human eye, the decals appear as frosted or etched glass. The decals measure approximately 8 1/2 x 5 inches, and are designed to be placed on the OUTSIDE of a window. As a rough guide, we recommend one decal for every 3’ x 3’ section of glass.
CONTENTS: 2 Decals per Envelope. TYPE: Static cling.
(If a bird repeatedly attacks your windows, please consider our Stop Bird Attack product.)
WindowAlert products help prevent wild birds from striking windows.
WindowAlert decals have a special coating that reflects ultraviolet sunlight. This ultraviolet light is invisible to people, but glows like a stoplight for birds. For people, the decals appear as frosted or etched glass.
WindowAlert UV Liquid works much like our decals. UV Liquid is easy to apply and easy to remove; it appears as dots on glass that dry to clear. UV Liquid is designed to fill in the gaps on windows, between our decals, creating a complete visual barrier for birds.
Stop Bird Attack stops territorial birds from repeatedly attacking the same window.