It is a Eichert Microstar IV comparison microscope. It has a 150 watt light source with it. The light source is model: K-2731 w/serial #: 08159506. I believe altogether it is 1 unit. Input: 115v. Output: 150w. It should be working, recently used it. Scope stand is the large white table that moves up and down can be used with a camera stand TXG70-0052AA-JDW18 Scope stand is the large white table that moves up and down