AmScope 3.5X-225X Digital Zoom Stereo Microscope w Gooseneck LED Lights + 8MP USB Camera 3.5X-225X zoom magnification power with crisp sharp images Super widefield optical system on a sturdy all-metal pillar stand 2-1/2" (65mm) super widefield of view and 8" (200mm) working distance Powerful 6 Watt dual gooseneck LED lights with fully adjustable intensity 8MP digital camera with advanced editing &amp; measuring software for Windows XP/Vista/7/8/10