This listing is for a used IKA MS1 Minishaker and cord. This item is from a lab that is no longer in operation. I tested it and it powered on and shook. The speed seemed to adjust properly as commanded. It seemed to make more noise, and vibrate more when it got up around the max of 2500. I have no way of knowing if it is noisier than normal at that speed. When I flipped the switch to touch, it operated as designed when finger pressure was placed on the round pad. It has the normal wear and tear you might expect from used lab equipment, and I see no defects or obvious issues. Please check out the photos, and I'll be happy to answer any questions you may have. Thanks for looking!