Feature:1. Hinged Trinocular Viewing Head: This microscope features a hinged trinocular viewing head that can be tilted 30 and rotated 360.2. 40X To 2500X Magnification: This microscope uses 40X to 2500X magnification, which allows you to clearly observe tiny items as well as tiny details.3. Double Layer Mechanical Moving Stage: This microscope adopts a double layer mechanical moving stage with an area of 125mm x 115mm, a moving range of 76mm x 52mm, and the ability to clamp sections.4. Low Hand Coarse And Micro Coaxial Focusing Mechanism: This microscope adopts low hand coarse and micro coaxial focusing mechanism, with a coarse adjustment stroke of 20mm and a fine adjustment accuracy of 0.002mm.5. LED Cold Light Source: This microscope adopts LED cold light source, which can increase the observation brightness and let you see more clearly.Specification:Item Type: Compound Trinocular MicroscopeMaterial: Aluminum AlloyModel: KP AM200TOptical Magnification: 40X-2500XViewing Tube: Trinocular Hinge, Tilt 30 degrees, Rotate 360 Degrees, Pupil Distance Adjustment 48-75mmEyepiece: Wide Angle Eyepiece WF10X/DIN18mm, WF25X/8mmObjective Lens: Flat Field Achromatic Objective Lens 4X, 10X, 40X, 100X (Oil Lens)Converter: 4 Hole ConverterStage: Double Layer Mechanical Traveling Stage, Area: Approx. 125mm 115mm/4.93 x 4.53in, Traveling Range: Approx. 76mm 52mm/2.99 x 2.05inFocusing Mechanism: Low Hand Position Coarse And Micro Coaxial Focusing Mechanism, Coarse Adjustment Stroke 20mm, Micro Adjustment Accuracy 0.002mmSpotting Lens: Abbey Spotting Lens, NA=1.25, Aperture VariableLight Source: LED Cold Light Source 1WTrinocular Interface: 1 x Trinocular Interface ( Can be connected to 25mm camera and 23.2 electronic eyepieces )Battery Type: AA Battery x 3 ( Shipped Without Batteries ).Package List:1 x Microscope1 x Plug1 x USB Cable4 x Eyepiece1 x Dust Cover1 x Accessory2 x Trinocular Interface Accessory1 x Manual