Is anyone there?

I bought four tattoo lightbulbs about a year ago. I fitted one in my bedroom which works perfectly every time I try and fit the other three around my house. They never seem to connect or work ever. I...

I bought four tattoo lightbulbs about a year ago. I fitted one in my bedroom which works perfectly every time I try and fit the other three around my house. They never seem to connect or work ever. I...