LEDwholesalers UV LED Ultra-Violet 9-LED 3xAAA Blacklight Flashlight Gallium Indium Nitride 365nm, 7301UV365 365 nm wavelength High output on UV light, low on visible light Great for applications where minimum visible light is desired Operates on readily available 3x AAA batteries (not included) Solidly built from machined aluminum with a black powder coat