Micro slide viewer, cost effective giving super quality images, No power requirement and very light weight, Easy to use and teacher can be sure that the entire class will see the key features quickly
VWR* LED Microscope, Binocular Corded, Coaxial coarse and fine focusing controls, coarse has tension adjustment, fine is graduated, 3.4V 0.06-watt LED, 4.5V DC Auto-switching power adapter (110V to 220V), Dimension: 140x 210x350mm, Weight: 8.0 lbs