The new EI series camera features with high performance 1/3" color CCD and built-in one vari-focal lens, which provides excellent picture quality and flexibility for variable environments. A supplementary mounting bracket comes along with EI series camera, and makes it a ready-to-install package. It dramatically simplifies the installation and saves the valuable time and money for installers. The EI series cameras give the best choose for commercial and residential applications. Industry leading Superior High-Res with 380 TV Lines of horizontal resolution. 1/3" CCD image sensor with approx 440,000 pixels. Sharper color images with Digital Signal processing. Wide Range automatic electronic shutter: Up to 1/100,000.