Aqara Intelligent Window Door Sensor

Features:
Detect the opening and closing of door and windows, send notifications via APP.
Can be matched with other smart-devices such as gateway and air cleaner, make life convenient.
Consists of a sensor subject and a magnet, ensure the detection much more accurate.
Small size and compact, easy to install and set, no other tools needed.
Sleek smooth waterproof finish with high durability and no fade.
Suitable for various kind of occasion such home, office, store, warehouse, etc.