Feature: 1. 40X TO 5000X MAGNIFICATION: This trinocular microscope comes with WF10X WF50X eyepieces, 40X 4X 100X 10X objective lens, supports 40X to 5000X magnification. 2. USER FRIENDLY DESIGN: The trinocular biological microscope adopts 45 degree tilt viewing angle, and can be rotated 360 degree, which can reduce eye and neck fatigue. 3. LIGHT AND FOCUS CONTROL: Halogen lighting variable device can control light strength, 1.25 NA positioning lens variable iris and rack and pinion can control focus, make the focus more accurately, ensuring clear observation. 4. 5MP ELECTRONIC EYEPIECE: Compound microscope comes with 5MP electronic eyepiece, zoom lens and USB 2.0 output, capable of catching or displaying images on computer or projector for viewing. 5. WIDE APPLICATION: This high magnification biological microscope can help doctors, amateur scientists, and enthusiasts explore wonderful world, suitable for schools, laboratories, and home education. Specification: Item Type: Trinocular Microscope Material: Aluminum alloy, ABS Light Source Working Source: DC5V Eyepiece: WF10X WF50X Objective Lens: 40X, 4X, 100X, 10X Electronic Eyepiece: 5MP (driver board installed, can be on the same screen as the computer) Magnification: 40X to 5000X Viewing Angle: 45°. Package List: 1 x Trinocular Microscope2 x WF10X Eyepiece2 x WF50X Eyepiece4 x Objective Lens (Installed On The Microscope)1 x USB Light Source Power Cable1 x Trinocular Adapter1 x 5MP Electron Eyepiece (With USB)1 x Storage Bag1 x Disc (Drive)5 x Square Glass Slide 1 x Sampling Knife 1 x Petri Dish 1 x Wiping Cloth 1 x Air Blowing 1 x Sampling Needle 1 x Plastic Tweezers 1 x Screwdriver 1 x Cleaning Gauze3 x Cotton Swab 1 x Brush 1 x Dropper 2 x Absorbent Paper 1 Box x Square Glass Slide (18x18mm 100 Pcs)1 x Plastic Test Tube 1 x Alcohol Pad 2 x Alcohol Cotton 1 x Plastic Storage Box 1 Bottle x Objective Lens Oil 1 x Microscope Mobile Phone Amplifier 1 x User Manual