Building Automation is a computerized, programmed, intelligent network to monitor and control the electronic devices in a building. It crucially includes Energy Saving, HVAC,CCTV, Access Control, Lighting Systems, Fire Safety, and so on. Collihigh gave a very comprehensive products to building automation including sensors, instrumentation, data acquisition and systerm software. Collihigh makes them operate as one system, and consequently easier-to-maintain. To enable better resource management, improve building safety, and reduce energy costs, Collihigh has been dedicated to in this field for years and has developed complete solutions in Integrated Building Automation.