Introduction: A door security alarm system can provide peace of mind by alerting you instantly when a door is opened.
Types of door alarms
- Basic magnetic contact alarms
- Smart alarms with app notifications
- Integrated alarms as part of a full security system
What to look for
- Battery backup
- Loud siren / push notifications
- Easy arming/disarming
Installation tips
Correct sensor placement, clean wiring and a reliable power setup increase accuracy and reduce false alarms.