Zigbee;• the unique air flow window design avoids direct damage to the core sensor such as oil smoke and water vapor, and ensures the continuous and stable operation of the product; • ZigBee communication protocol can be added to the gateway to connect to the cloud, and push the alarm information to the mobile app at the first time; • Meet the requirements of CCCF fire certification, and have special insurance; • Support remote silencing, local periodic self-test and app remote self-test to ensure the effectiveness and reliability of the product., Zigbee