VEVOR Professional Binocular Compound Microscope Kit 40-2000X Magnification 40X-2000X Ultra-Clear Magnification Dual Ultra-Precision Focusing User-Friendly Design Sturdy Metal Construction Versatile Applications Simple and Convenient Operation Total Magnifications: 100X 200X 250X ...VEVOR Professional Binocular Compound Microscope Kit 40-2000X Magnification 40X-2000X Ultra-Clear Magnification Dual Ultra-Precision Focusing User-Friendly Design Sturdy Metal Construction Versatile Applications Simple and Convenient Operation Total Magnifications: 100X 200X 250X 500X 1000X 2000X,Light Source: Adjustable LED Illumination (Bottom and Top),Product Dimensions: 5.3 x 6.7 x 11.8 in / 135 x 170 x 300 mm,Power Adapter: US Standard Plug Output: DC 5V/2A Cable Length: 1000 mm,Other Features: Bluetooth Photo Capture,Main Materials: Base: Aluminum Alloy; Body: Aluminum Alloy + ABS Plastic,Specifications: Binocular 40–2000X Magnification,Condenser: Adjustable Iris Diaphragm,Magnification Range: Eyepieces: 2X 25X; Objectives: 4X 10X 40X,Focusing: Precision Focusing Coarse (18mm) Ultra-Fine (1.2mm) Adjustment,Viewing Head: 2 Viewing Tubes 360° Rotatable,Power Supply Mode: Adapter Powered,Item Model Number: H-20A,Stage: 95 x 95 mm Mechanical Stage with Travel Range 70 x 40 mm,Power Parameters: Input: AC 110–240V 50/60Hz,Net Weight: 4.5 lbs / 2.04 kg ±5% (including all accessories)