Wulian Wulian infrared intrusion detectors infrared intrusion detectors are based on ZigBee / SmartRoom agreement of new products, the infrared intrusion detectors effective working range, when someone trespassing by human infrared sensors to detect real time and sends a wireless signal to the alarm communicating hosts, enabling monitoring tasks. The product is extensively used, in addition to the common smart home can also be used in the monitoring system, intelligent hospital, the wisdom of the hotel, smart buildings, smart breeding system.