Wireless Door Window Sensor 433MHz Door Open Detector for Smart Home Alarm Systems

Protect every entry point in your home with a reliable wireless door window sensor designed for instant intrusion detection. This compact sensor alerts your alarm system the moment a door or window is opened, helping you stay aware of unexpected access. Built for seamless compatibility with supported smart alarm systems, it offers stable performance without complicated wiring. Easy to install and discreet in design, this 433MHz door sensor strengthens your home security with minimal effort.

Key Features

• Detects door and window opening instantly for fast security response

• Wireless 433MHz signal ensures stable and reliable communication

• Compact design blends easily with doors and window frames

• Works with compatible smart home alarm control panels

Why Choose Our Wireless Door Window Sensor 433MHz Door Open Detector for Smart Home Alarm Systems

Unlike basic standalone sensors, this smart home alarm sensor integrates directly with your existing security system for centralized alerts. The wireless design allows quick installation without tools or wiring. It provides more reliable detection than motion-only sensors by securing entry points directly.

Perfect For

• Home doors and windows

• Apartments and rental properties

• Offices, shops, and storage areas

• Users expanding a home security contact sensor setup

How It Works / How to Use

Mount the sensor and magnet on the door or window frame. When the door opens and the connection breaks, the system sends an alert through the alarm panel.

Simple Protection for Every Entry

Strengthen your security setup with a door open detector that responds instantly. Experience added peace of mind knowing your doors and windows are always monitored.