*3x AA Batteries included– Complete with 51 UV LEDs, the Large UV Flashlight is the best and most efficient way to charge your industry-leading Eclipse 2.0 glow plastic discs. In just a few quick moments, your disc will be fully charged and ready for nighttime birdies. The Large UV Flashlight works on all UV reactive plastic too, but dont complain when your friends Eclipse plastic only needs one charge! Each MVP UV Flashlight is black with metal casing and features MVP and Eclipse Glow logos. Densely packed Eclipse Glow Proton charges quickly and efficiently with the MVP UV Flashlight applied directly to the glow surface.