Choose recessed window alarms when you want a discreet installation inside the frame and the window structure can accommodate the required hole and depth. Choose surface-mounted window alarms when you prefer a simpler installation using adhesive or screws, or when drilling into the frame is not practical.

Check that the window alarm’s wireless protocol, frequency, and encryption align with the security panel or hub, and confirm whether it requires a specific ecosystem or repeater. Also review wireless range, supervised communication, battery requirements, enrollment method, and whether the sensor’s mounting style, such as surface or recessed, fits the window frame.

Yes, some window alarms are designed for outdoor areas such as gates, sheds, pool enclosures, and garden enclosures. Look for outdoor-rated magnetic contacts with weather-resistant construction, tamper detection, wide-gap tolerance, or an auxiliary input for connecting a hardwired contact.

When selecting window alarms, compare contact detection, optional shock or impact detection, tamper protection, auxiliary inputs for wired contacts, wireless communication, battery life, and indoor or outdoor suitability. Also consider the installation format, such as surface-mounted or recessed, mounting requirements, and compatibility with the alarm panel or security platform.