Introduction WL-IB-A IOT wireless emergency button, triggering an emergency alarm and send an alarm signal at a first time to mobile intelligent terminal. The product supports the ZigBee protocol, no wiring, easy to use. For example, children and senior citizens alone at home, in case of emergency, you can press the button at the same time carry emergency alarm is triggered. In this way, the family can be learned from the smartphone, iPad and other mobile intelligent terminal products, and processed the first time. The product is widely used, in addition to the smart home system, it can also be widely used in the monitoring system, intelligent hospital, the wisdom of the hotel, intelligent building systems. . Ⅱ features support ZigBee HA protocol ZigBee device type: ergonomic control terminal is simple, flexible and easy to carry long standby time