1. Super environmental suitability and stability,timely arm and disarm.
2. Type to window or door, Ideal entry warning for homes, apartments, mobile homes, offices, hotel rooms, garages and more.
3. Magnetic sensor switch detects your door or window.
4. When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm, warning the intruder to leave and remind the owner.
5. NEO NAS-AB02W WiFi USB Siren Alarm Sensor for Home Alarms Security.