SELON SE-XSP-200E Microscope 1.Focusing Coaxial Coarse and Fine Adjustment 2.Double ... AC Input 220V or 110V, DC Output 6VSELON SE-XSP-200E Microscope,Plain Stage with paired clips Biological Microscope, microscope digital ... required before production, 70% balance before delivery. SELON SE-XSP-200E Microscope, Plain Stage with paired clips