How about wifi smart door alarm ?

The smart door alarm work by using a sensor and a magnet. The sensor is placed on or inside the door or window frame. The magnet is placed on or inside the door or window itself. When the door or window is opened, the magnet will separate from the sensor, causing it to activate

Security at home,  when you’re away with wifi smart door alarm , you’ll never miss an alarm thanks to the push notification system. Whether you’re on the other side of the house or the other side of the world, you’ll always know your house is secure.

1.Make Your Home Smarter with the smart door alarm
Smart Home Full Guard Support Multi-device controlled,enjoy your smart home with wifi smart home devices.

2.Invisibiltiy makes thieves invincible
The smart door alarm can be installed inside non-fixed objects make thieves nowhere to run

3.Mobile Remote Viewing
You can check what's happening at time.and you know what's happening in your home when you are out.

4.Don't hesitate you need the smart door alarm
Good products with good materials,if you with it ,you can sleep peacefullyand keep your baby safe. With it,warehouse ,shop ,hotel,don't worry no one guards theft.