WiFi Wireless Door Window SensorTUYA Smart Alarm with Free Notification APP Control Home Security Alarm System Compatible with Alexa Google Home Siri1pc Door Sensors

Independent WIFI Home Security Door Window Burglar Magnetic sensor Alarm,Fully integrated design,  beautiful and delicate.Real-time monitoring of doors/windows, drawers being illegally opened and  closed state alarms, remote monitoring by mobile phone APP.Compatible with Amazon Alexa, Google  Home. Door Window Smart Sensor Alarm Specifications: ?Function: The alarm can issue a strong alarm when opens the door or window illegally. ?Using ultra-low power consumption program control processing technology, with low battery reminder    function.(provides battery status update with a low battery test button) ?Battery: Insert 2 PCS AAA battery (Battery contain in the box) ?Compatible with Apple,Android system ?work with 2.4 GHz WIFI CONNECTION ?5G is not supported!? ?Working Environment:-10?-50??14?-122?? ?Weight: 50g ?Size:72*45.5*14mm