IF-series is a digital variableintelligent IR fence which has been the leader in its categories, featured by excellent performance, complete functions and easy operation. The IR Fence uses advanced micro processing digital smart control technology, designed with reasonable beam separation distance. It gets high sensitivity and strong anti-interference capability by adopting coaxialcollimatingaspherical lens&coordinating 940nm Infrared Emission Tube with Automatic Gain Adjustment Technology. With high-quality aluminum enclosure & anti-tamper/anti-cut alarm, it can work 24 hours perfectly in outdoor. The IR Fence has pre-alarm function, can calibrateprecisely& rapidly with 360 degreeinfinitely rotation. Besides, with two-beam mutual radiation recognition technology, it can effectively prevent false alarms caused by pets, birds, leaves or sunlight etc. And with unique and beautiful design, the IR Fence is suitable for many installationenvironments such as modern homes, villas, warehouse, large square or farms etc.