Wireless Door Window Sensor 433 MHz Contact Detector for Smart Home Security Systems

Strengthen your home’s first line of defense with a wireless door window sensor built to spot every entry instantly and reliably. Designed to work seamlessly with compatible alarm panels like G03, G12, G30, G50, and G60, this detector alerts you the moment doors or windows open or close. With stable 433 MHz communication and simple battery-powered installation, it’s a flexible addition to any home security alarm system — ideal for homeowners, renters, and DIY installers who want dependable perimeter protection without wiring hassles.

Key Features

• Wireless contact sensor triggers whenever a door or window opens or closes

• Stable 433 MHz signal for reliable communication with compatible alarm systems

• Easy DIY setup — battery-powered and mountable without tools

• Compact, low-profile design fits seamlessly on doors, windows, and frames

• Works with multiple compatible alarm panels (G03, G12, G30, G50, G60)

Why Choose This Wireless Door Window Sensor

This sensor adds essential perimeter protection your system may be missing. Compared to basic detectors that lack reliable communication or require complex wiring, this 433 MHz unit installs in minutes and stays consistent over distance. It boosts your alarm setup’s responsiveness and helps ensure every entry point is monitored with clarity and dependability.

Perfect For

• Front, back, or patio doors

• Ground-floor and accessible windows

• Home and apartment security upgrades

• Renters wanting non-permanent monitoring

• DIY alarm system expansions

Product Specs

Operating Frequency: 433 MHz
Power: Battery-powered (included)
Installation: Magnetic contact, wireless
Compatibility: G03, G12, G30, G50, G60 alarm systems

Protect Every Entry Point

Add this dependable wireless sensor to your security setup and stay informed the moment doors and windows are opened. Enhance your perimeter coverage and enjoy greater peace of mind with a reliable contact detector that simply works.