Biological Microscope Specifications: Total Magnification: 40 x ~ 400 x Eyepiece: WF10 x (18 field of view). Objective Lens: 4 x 10 x S40. Mirror Tube Type: 45° Tilt Tube (JIS Standard), 360° Rotation. Stage: M Stage (Easy Holder). Scorpathing Device: Up and Down Dynamic Functions, Coarsenal, Specimen damage prevention device; Lighting device: High brightness white LED with dimmers (built-in rechargeable battery and can be charged rapidly), with charging lamp, reflector (stored in the main unit); Convenient functions: Service outlet (AC100V), anti-turn lamp, external light source connector, numbering space, mirror box, battery cut-off switch; Size and weight: approx. 5.3 x 8.3 x 1.2 inches (1 mm), approx. 5 mm), approx. 5 lbs (2.7 kg); Accessories: Eyepiece. Fixing screw fittings, AC cord (glasses type), dust cover