1.Receive Real-time Alarms Remotely: when a Smart Door Window Sensor is opened or closed, the tuya door window sensor will push instant notification to your smartphone immediately. and even can be clear when someone enters your home, shop, office, etc. 2.Programmable Tuya Smart Window Sensor: Extend your smart home automation with a WiFi Home Security Alarm; Set up your smart routines in the app; Automatically turn on your smart wall switches or lights when the door opened; Automatically turn off you're air-conditioning when the window opened; More smart devices can be sync as long as they are compatible with Smart Life app. 3.ly Upgraded Tuya Door Sensor: ly upgraded version is Bluetooth + Wifi dual connecting mode, do upgrade for help faster and better paring device to the App, No hub required; Simple setup! Wifi garage sensor is compatible with Alexa. 4. Door Sensor: No Need to use complicated tools when installation, just use 3M glue to install, firm and durable. Wifi door window sensors can be installed on the front door, window, room, garage doors, skylights, s, etc.