Vintage quack medical device. Selling as a display piece. It comes with the pamphlet. The case shows some wear. The pamphlet shows some wear as well. All of the four items work. There is a couple pieces of tape around the cord. It gives off a nice violet light for each piece. With the glass tube put in place slowly turn the knob at the end of the generator to the right. It will click as you turn the knob. The more you turn it the brighter it gets. It is advised not to use for more than 10 minutes per session. It starts to heat up. After it cools down it is ok to use again. Please read the pamphlet.