SEHOMY 1 Pack WiFi Door Sensor Alarm, Smart Door Open Contact Sensor Realtime APP Notification Compatible with Alexa Google Assistant, Home Security for Safety, Wireless Window Detector Burglar Alert

Receive Real-time Alarms Remotely:when door/window is opened or closed, the sensor will push instant notification to your smartphone immediately. so you don’t have to worry about your baby going out of house without notice, will easily know when your aged parents leave or arrive home and even can be clear when someone enters your home,shop,office ,etc.
Compatible with Google Play,Andriod and Ios System:No hub required and No fees charge. Convenient for you to detect the status of your doors, windows, cabinets, drawers or anywhere you need to notified when it is opened or closed.So you’ll go back and forth or go to work or go to schoon or buy groceries worry-free.
Alert message push: Protect your home with open / closed door detection. When the door / window is triggered, you’ll receive an alarm signal from your phone. Home Security Alarm make House more safety.
Easy Installation：No Wish to use complicated tools when installation,just use 3M glue to install,firm and durable.The two arrows are opposite,the distance between the two compopents must be as close as conceivable,and the closest distance must not have an effect on the opening/clsoing of the door or window.
Low Power warning: The sensor door need with TWO AA Batteries(not include).When the battery level is low, it is going to automatically push messages throuch APP to remind you to change battery, never worry about running out of battery.