1,Handheld optic fiber inspection microscope 2,400x / 200x 3,AAA batteries 4,Convenient & ... FK-H400, 400X or 200XKey Features:1, Handy type microscope operated with three AAA batteries.2, Two magnification types are ... Fiber Inspection Microscope, FV-5500AVideo Fiber Optic Inspection Microscope, FK-410PAdjustable Video Inspection Microscope, FK4-410P Handheld optic fiber inspection microscope FK-H400