SmartLife App has built-in defense zone functions and product attributes, and has Armed, Disarmed, and Home modes, you can give accessories more personalized settings according to your needs. For example, when the door sensor is triggered, it will be the Alarm Tone by default; if you want the Door Chime Tone, you can change the type of door sensor to doorbell in the accessory settings, and the zone mode can also be modified to Normal, Delay, 24 Hours, Home, or 24 Hours Silent.