Working distance less than 2mm, microscope needs to touch object to examined. Microtouch shutter trigger allows for convenient image capture when in hand held mode or mounted on a stand. Just plug into a PC and your are set to go. Comes with feature packed software for easy capture of images or videos (measurement and image comparison function included). Metal stand with height and angle adjustment included. Optional stands available. Ideal for high magnification applications. 1/4″ color CMOS image sensor. 1.3M effective pixel (HxV). Signal output USB 2.0. Auto gain control. Hardware and software controllable snap shot mode. Automatic white balance. 5 VDC through USB port power source. Windows XP, SP2, vista and 7 operating system. 110 mA (AVG) power consumption. 6 White LEDs light type. 30 fps, 15 fps at 1.3M frame rate.