ITEM NAME:NAS-DS01W Wifi Door Window Sensor,App Notification Alerts No Hub Required LJ Product Discription: 1.Make your door/window smarter,when you leave home,it will push notification to you if the doors or windows are opened or invaded by an external boject,you will find anomalies in your home immediately 2.Battery Wi-Fi.PLUG & PLAY with Tuyasmart app,No hub required,simple download teh "tuyasmart"app on iOS and Android. Under the influence of light and the display, the color difference may decrease slightly. Storage Temperature: 0-90%.
