... Monocular Head Easy use,Cheap price,Common function Electrical LED Lamp Monocular Microscope YK-BL002Model:YK-BL002 With ... Electrical LED LampTotal Magnification: 40X~640X Eyepieces: 10X 16XObjectives: ... Stage: 110mmX120mm stage with clips, Disc Diaphragm Optional: Electrical IIIunination(110V/20W,220V/20W Optional)Simple Student Use Microscope ...