Feature: 1. HIGH MAGNIFICATION: With 4 pcs limited distance 195 objective lenses (4X 10X 40X 100X), 2 pcs high eye point flat field eyepieces (WF10X 22mm), this biological microscope can magnify 40X to 1000X. 2. DOUBLE SIDED MICROSCOPE: The microscope has incident and transmission LEDs, and the brightness of the light source can be adjusted by rotating the knob. 3. HANDHELD MICROSCOPE INCLUDED: Comes with a 1.3MP portable handheld microscope for faster and more convenient viewing of microorganisms under the microscope. 4. 7 INCH SCREEN: Can be used for taking photos, recording videos, supports memory card reading (with 8G memory card), can be connected to a computer to process images (with image processing software). 5. WIDE APPLICATION: This professional microscope can be used for laboratory research, aquaculture, and helping students and kids explore the wonderful world of life. Specification: Item Type: Digital Trinocular Microscopeal Microscope Material: Aluminum Alloy, ABS Optical System: Finite Distance Optical System Observation Head: Hinged Binocular Lens, 30° Tilt, Pupil Distance 50-75mm Converter: Tilting 4 Hole Converter Objective: Limited Distance 195 Objective (4X, 10X, 40X, 100X) Eyepiece: High Eye Point Flat Field Eyepiece: WF10X 22mm, Adjustable Diopter ±5 (Two Pieces) Spot Light: For Abbe Spot Light NA1.25 Focusing System: Coaxial Coarse and Micro Focusing Mechanism, Fine Adjustment Grid Value: 0.001mm, Coarse Adjustment Stroke: 37.7mm Per Turn, Fine Adjustment Stroke: 0.1mm Per Turn, Focusing Range: 24mm Loading Platform: Double Layer Mechanical Platform: Approx. 215 x 148mm/8.5 x 5.8in, Active Travel: 48 x 82mm Light Source: Lighting System, 3W/LED Power Supply: AC100-240V, 50-60HZ Display Screen: 7 Inch Display Screen IPS 1024 x 600 (Taking Photos, Recording, Memory Card, Connecting to Computer, Measuring) (Shipped With 8G Memory Card) Computer Software: For StrangeView (Professional Image Processing Software) Handheld Microscope: 1.3MP, Focusing, Dimming (Spring Wire). Package List: 1 x Microscope Body1 x Microscope Head1 x Display Screen (With 8G Memory Card)1 x Handheld Microscope2 x Data Cable1 x Power Cable2 x High Eye Point Eyepiece1 x Bracket1 x Dust Cover1 x Wrench1 x Instruction Manual1 x CD1 x Plug