My first black light was in the 1970's. They were more powerful back then, they got very hot, and you're lucky if they don't burn out within a week. Since then I've had all sorts of colored lightbulbs, flashlights, etc. It's only 36 watts, which is actually 2 watts x 18 LEDs. It gives off a little heat, but it's okay. In general, LED lighting is much more energy efficient for those who care about the environment. The main thing is that the light output is excellent, the best I've seen. I wanted this bulb to illuminate a fluorescent flocked velvet poster and I was concerned that the transparent acrylic frame covering the poster might make it more difficult. This lamp was perfect. Not only does my poster exceed my wildest expectations, my entire room is filled with ultraviolet light! I installed it behind my computer monitor in a small table lamp so I couldn't look directly at the bulb. Highly recommended! As an added bonus, the lamp has a built-in flash. I am so happy and satisfied that in the future I will always check if Kingbo does this before I buy. THANK YOU SO MUCH! :)
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