WindowAlert UV Flashlight Tester

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Make sure your decals and UV Liquid still glow brilliantly for wild birds. WindowAlert decals and WindowAlert UV liquid have a coating that brilliantly reflects ultraviolet sunligh t. This coating will degrade when exposed to the elements. This 395 nanometer LED UV black light flashlight can be used to test the quality (or fading) of WindowAlert products. Requires Four AAA batteries not included Color may vary Dimensions: 4" x 1.25" Show more