National Optical 205-RLED (205) Basic Monocular Compound Microscope， WF10x Eyepiece， 40x-400x Magnification， Brightfield， LED Illumination， Disc Diaphragm， Plain Stage， Battery-Powered<img src="http://ecx.images-amazon.com/images/I/41W7V7PJ0CL.jpg" noproxy>