Characteristics:Perceiving the opening/closing of doors, windows, appliances and furniture cabinet doors, drawers, etc.Features:1. Beautiful and stylish appearance, easy to blend into different environments2. Support DIY design, rich scenes, 3. Intelligent linkage, tool-free installation4. Demolition planning in the field of occupational safety5. With low voltage monitoring prompt function6. Wireless transmission of data signals7. Very low power consumption and long battery life8. When to send online reports to the hostEasy attachment to door and window framesAlarm in case of unauthorized entrySubtle designCommunication with the smart home system and the smart home appDetects open doors and windowsDegree of protection: IP 20Battery operated (1 x CR2032 battery not included)