1.This stereo microscope has sharp stereo erect image over a side field view.Widely used in electric factories,laboratories,schools,PCB solder and mobile repair etc.2.Upright binocular view head,the interpupillary distance is between 55-75mm.3.Long working distance is about 7-11.5cm4.Built-in top light illumination5.Full environmental protection plastic body and easy to carry Name::Stereo MicroscopeDrawtube:BinocularEyepieces:WF10XObjective lens:2XTotal Magnification:20XTotal magnification 20X= (Eyepieces 10X) x(Objective lens 2X)Top Light:LED IlluminationWorking distance: about 40mmBatteries:2 AA Batteries (Not Included)colour: white + blackMaterial: plastic + metalPackage Contents:1 set x Stereo microscope with accessoriesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.