Smart Life app WIFI door window sensor, 7/24 open/close detection, widely used for garage doors, windows, cabinets and drawers. Wifi connection with your box, no hub needed,Alert in case of attempted vandalism Personalized smart scenes, personalize the way your devices talk to each other: when the front door is opened in the evening, automatically turn on the lights Welcome. When a backdoor is opened unexpectedly, trigger an alarm siren Powerful ewelink app, get notifications and alerts through Smart Life Tuya app, low battery alerts and check Latest 5 groups opening/closing history, share with your family Work with Alexa Assistant IFTTT Nest Siri, hands-free to check the real door status Description: 24 hours smart security: The smart door window sensor provides 24-hour monitoring of your home. Use it on doors, windows, cabinets, drawers or anywhere you want to be notified when opened or closed. Capture every activity and send an alert to your Android or Apple phone. It's easy for you to keep an eye on your home security anytime, anywhere. Compatible with Alexa and Google Home IFTTT Nest: No hub required, just use your voice to control devices connected by Amazon Echo or Google At home, it can also do automatic control with another smart device. For example, set an "Arrive Home" scene, the sensor on the door turns on the smart light when you arrive home in the evening. Easily enjoy the lifestyle smart: Large gap performance allows up to 1cm when the door/window is closed. No annoying wires and battery powered (2xAAA battery not included), can be installed in any difficult situations by mounting tape or 3M screw (included). Monitor critical points of home, garage, shops or office, factory etc. Additionally, share the device with your family member and track sensor activity history. Specifications: Input voltage : DC3V LR03 Standing current: 10uA Alarm current: 160mA Low voltage under voltage: 2.7V WiFi: 802.11b / g / n 2.4G only!! Magnetic control distance: 15 mm Operating temperature: -10-50 Operating humidity: up to 95% RH Color white Quantity sold: 1 set Product size: 93*40*20MM Color box size: 100*58*25MM Function: 1. Door and window switch, remote notification via mobile app 2. Simple and convenient to use 3. Support intelligent voice control such as Amazon Alexa, Google Assistant, etc. 4. Show power, alarm management, alarm query 5. Request history 6.WIFI: 2.4G can be connected to router or mobile phone hotspot Please note: When the door/window is closed, the body of the sensor and the magnet components must be installed within 10 mm.