Feature: 1.High-resolution for image color reproduction, 2.1 3.2-inch for image hardware 2 million 3.USB2.0 digital data transfer rate up to 480MPS 4.Brightness, contrast, saturation, sharpness and software adjustable 5.Auto white auto exposure 6.Without scheduling driver to support Windows2000 XP2 Win7 operating 7.Maximum resolution of 1600 * 1200 8.Underlying hardware and software support for the exposure for time, color, brightness, contrast, saturation and other for image enhancement features late 9.The diameter of the eyepiece is 23.2 mm