Vision Scientific VME0006-100-RC-E2 LED Cordless Microscope, 40-2000X Magnification, LED Illumination with Light Intensity Control,1.25 N.A Abbe Condenser, Built-in Mechanical Stage 45 inclined Monocular head rotates 360 allowing for reverse position viewing and trouble free observation for two people 10X eyepiece with built-in pointer, ensures that definite points on the slide can be easily designated and quickly identified LED illumination with intensity control, guarantees a clear and crisp, cool-to-touch white light that lasts up to 60x longer than traditional tungsten bulbs Built-in mechanical stage is low-profile and ball-bearing, ensuring easy mobility and precise control of specimen under observation. Slip-clutch focusing system protects gears from damage Perfect for any educational application or classroom, elementary to high school, or for basic biological/laboratory use Eyepiece: WF 10X with pointer / WF 20X Magnification: 40X, 80X, 100X, 200X, 400X, 800X, 1000X, 2000X Objective Lens: 4X, 10X, 40XR, 100XR oil; achromatic      color-coded; parcentered and parfocaled Nosepiece: 4 hole objective turret; reverse position Focusing: Coaxial coarse and fine focusing Condenser: 1.25 N.A Abbe condenser, Iris diaphragm,      swing-out filter holder Stage: built-in, double-layer with low position coaxial      x-y controls Power: 110V or cordless rechargeable battery Overall Dimensions: 13 x 5.5 x 7  6lbs One monocular microscope with built-in mechanical stage      and built-in LED illumination One 10X wide-field eyepiece with pointer One 20X wide-field eyepiece 4X DIN achromatic objective 10X DIN achromatic objective 40xR DIN achromatic objective 100xR DIN achromatic objective Immersion oil for 100xR DIN achromatic objective 3 AA batteries 110V Power adapter One dust cover User Manual