This is a perfect microscope for students to learn science offering six magnification settings. It comes with full optical glass elements metal framework a rotatable monocular head and an LED illumination system that uses either wall-power (adapter included) or three AA batteries. Eyepiece: WF10X and 16X Objectives: 4X 10X 40X Condenser: Single lens with disc diaphragm Illumination: LED Power Supply: 110V/60Hz (adapter included) or three (3) AA batteries (not included) Brand: AmScope Model: M148A Color: White/ black Magnification: 40x 64x 100x 160x 400x and 640x Eye relief: Accurate alignment ensuring a fatigue-free long time viewing Lens coating: Fully coated optical system Requires batteries: Yes Body material: Metal/ alloy Weight: 4.45 pounds Dimensions: 7 inches high x 10 inches wide x 15 inches deep