GEM Microscope StandVertical Post:240mm, Diameter:φ32mmTop & Bottom Halogen: 12v/15wFluorescent: 7w Top and Bottom LED Illumination with an independent control using with F1 Focusing MountBase Size:200x255x60mm with φ95mm B/WPlastic Plate With F1 Focusing Mount And Glass Plate and Paired Clips.