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
Deluxe Handheld Digital Microscope, Imaging Sensor: 2 MP CMOS (1600x1200 pixel array), Magnification: 10 to 40x & 150x using a 19in Monitor, USB Connection: 2.0, Accessory: Adjustable metal stand, Video resolution: 25 fps, Dimension: 4.25in x 1.25in
MicroDirect 1080p HDMI Handheld Digital Microscope, Sensor: 3.5 MP CMOS 1/3in High Speed Sensor, Pixel Size: 2.2 um x 2.3 um, with 10x to 220x power magnification, Capture 720p High Definition video at 30fps, Power: 1. 120V Power Adapter (5V-1A)