1000X 2000X Adjustable Biological Microscope LED Illuminated Binocular Microscope for Student School Education Science Lab Specifications: Item name: biological microscope Objective: 4X, 10X, 40X Lens: WF10X, WF25X Type 1 Total Magnification: 1000X Type 2 Total Magnification: 2000X Body Material: Metal Material of lens: optical glass Lighting: LED up/down adjustment Coaxial coarse and fine focus adjustment Size: 170 X 135 X 290mm Batteries needed: 3pcs AAA batteries (not included for safety) Net weight: about 2400g Package included: 1x Microscope 1x 4X objective 1x 10X objective 1x 40X objective 2x WF10 eyepieces 2x WF25 eyepieces 2x 2X Relay Lens (Optional) 1x Microscope box accessories 1x Charging plug (EU plug or US plug) 1x Users Manual Attention: Batteries are not included for safety!