- Wireless smart door open sensor with reliable detection and real-time app notifications. Monitor door activity from anywhere to enhance security at home and in the workplace. - Easy installation and seamless integration with home automation systems. Suitable for living rooms, offices, and other environments that require door monitoring. - Compact wireless design eliminates complex wiring. Magnetic detection provides accurate door status changes and delivers timely alerts to your smartphone. - Ideal for security minded users. Enables remote monitoring to help prevent unauthorized access and improve safety for families and workplaces. Use scenarios - Home use: monitor front or back doors and receive immediate alerts on your phone if a door is opened, supporting peace of mind when you are away. - Office or business use: track access to reception areas or restricted rooms, helping enforce security after hours with remote monitoring. - Garage or storage monitoring: keep an eye on garage doors or storage rooms to prevent unauthorized entry and quickly respond to any changes in door status.