Cordless, modern monocular microscope ideal for students and schools, with three achromatic lenses (400x), FN 18, finite optical system, coaxial focusing, fixed stage, white color temperature 1 W LED illumination with rechargeable batteries. Slim and easy to carry, it is equipped with arm/wrist rest support to reduce the fatigue during use, StagErase erasable stage to remove scratches and long lasting LED illumination to provide over 20 years of use.