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;LED illumination system uses either an outlet (adapter included) or three AA batteries (or re-chargeable batteries)