Model of MI Smart Sensor: YTC4041GL Time Delay Function: It will automatically turn off the TV and air conditioning if no one is home during the designated time. Intelligent Induction: It will automatically turn on the light for you when you awaken in the morning. Nightlight Function: When someone walks by, it will open automatically. Function: You may receive notifications when your beloved pet escapes. APP Control: This is more practical for us. It is inoperable without a hub. SKU: 6934117780841, Categories: Home Security | Cameras | Xiaomi