Aqara Door and Window Sensor P2, Matter Over Thread, Requires Thread Border Router, Contact Sensor with Remote Alarm and Local Automation, Supports Apple Home, Google Home, Alexa and SmartThings. It is brand new in box never used. Comes from a smoke free home. (See Pictures For Condition). I will consider any reasonable offers. I will bundle items for you to save on shipping. If you have any questions please ask before purchasing an item or before leaving feedback thanks.