Use this cordless stereomicroscope to view larger specimens. Post stand with rack and pinion fine focusing makes this stereosmicroscope an ideal budget-priced scope. Built-in illumination above and below provides for optimal lighting of any specimen. Superior optical quality for clean, bright stereoscopic (3D) images. Magnifies at 20 times (with optional eyepiece magnification this can be increased up to 40 times). All-metal frame; two glass lenses; rubber eyecups. Each unit includes a dust cover. Provides up to 40 hours of continuous operation with a single charge. Eight hour charge time. Stands 12" tall and weighs 6 lbs. USA made.