AmScope I 40X-1000X All-Metal Optical Glass Lenses Cordless LED Student Biological Compound Microscope

* This is an ideal microscope for home school or for students in elementary to high school to learn sciences * 360 degree rotatable monocular head offers five magnification settings 40X, 100X, 250X, 400X & 1000X * Widefield all optical glass elements includes single lens condenser with disc diaphragm * Sturdy all metal framework. Power Supply - 110 V * LED illumination system uses either an outlet (adapter included) or three AA batteries (or re-chargeable batteries)