Have you ever wanted a tiny solid state Tesla coil to do high frequency and high voltage experiments with wireless transmission of electricity through the air? Well here is the perfect opportunity, and for only $15. In this video I show the unboxing, and testing of the amazing little device. I also measure the operating frequency with a o-scope. It is able to light up neon lights from a distance.

I couldn't find this exact one online any longer, but here are some similar devices
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