Vision Scientific VMD002 3.5" Standalone LCD Screen Digital Microscope with 5MP Image Sensor,1200x Magnification, 8 LED Illumination with Intensity Control, TV Cable, USB, MicroSD Card Compatible 3.5 Stand Alone LCD Digital Microscope with Photo & Video capture and measurement 5 Mega Pixel (true resolution) image sensor. Magnification Wheel Control up to 1200x magnification ratio by digital 8 LED Illumination with light intensity control provides cool white light. Rechargeable lithium battery (recharged by adaptor or USB) TV Output easily connects to any monitor with TV in (TV cable included). Easily connect to a computer with a USB cord (included), and accepts MicroSD cards for storage Easy to set up and use. Wonderful addition for any teacher to use in a classroom, and also for homeschooling children. Great educational tool and also fun to use for students