Window Alert Hawk Decal

Help prevent wild birds from accidentally striking windows with these special coated decals that reflects ultraviolet sunlight. This ultraviolet light is invisible to humans but birds see it as a bright glow. Place them on the outside of the window concentrated at the center then working outwards at a minimum at every 2 feet of glass. The UV coating will fade based on exposure and local elevation and should be replaced or tested with the WindowAlert UV Flashlight every 4 months.