My first lamp was unstable. I thought it was the expensive lightbulbs and have changed them several times. As a result, I ordered a replacement unit and it worked unstably, but mostly until it just stopped. The blue light worked, but the neon lights were exactly the same. The switch detached from the plastic block, but it still worked intermittently. This light is actually terrible and never worked properly. I'm very disappointed and it wasn't cheap. Now I have to replace it at my own expense. Do not order this block. Not worth the money and very cheaply made.
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