Product overview A door and window alarm that immediately alerts the central host when the magnet strip separates. The host sounds a local alarm and sends a push notification to the user. Designed for reliable intrusion detection, easy installation, and waterresistant performance. Key benefits Immediate intrusion alerts: when the magnetic strip separates from the host, the host instantly triggers a loud alarm and sends a notification so you know about an entry right away. Remote awareness and responsiveness: the system synchronizes with phones and computers so you receive alarm notifications even when you are away. Versatile protection: suitable for homes, schools, factories, shopping malls and office buildings to help protect people and property. Simple, dependable installation and operation: punchmount installation is quick, and selectable defense modes let you arm the alarm to fit different situations. Weather and waterresistant: sealed housing maintains operation even if the door is exposed to water. Features and attributes Function: magnetic contact sensor paired with a host unit. When the host is separated from the magnetic strip, an alarm is generated and a push notification is sent to connected devices. Compatibility: synchronizes with phones and computers for remote notifications and monitoring. Installation: punching (drill) installation for secure mounting on doors and windows. Performance: sensitive detection for fast response; configurable defense modes to reduce false alarms and match your security needs. Durability: sealed construction that protects electronic components from water exposure so operation is not interrupted. How it works (quick steps) 1. Mount the host unit and magnetic strip on the door or window using the included drillmount method. 2. Set your preferred defense mode. 3. Arm the system. If the door or window opens and the host unit separates from the strip, the host sounds an alarm and immediately pushes a notification to your connected phone or computer. Practical use scenarios Home front or back door: arm at night or when you leave; receive an immediate alarm and phone notification if someone opens the door. School or office after hours: protect classrooms, storage rooms or back entrances; audible alarm and remote notification alert security staff. Retail or factory entrances: use on back doors, delivery entrances or loading docks where a sealed, waterresistant alarm is needed for reliable operation. Delivering reliable alerts, straightforward installation, and remote notifications, this door/window alarm is a practical choice for a wide range of locations that need fast detection and dependable performance.