Door sensor Ajax 38099 wireless, white

Ajax 38099 wireless door sensor in white is a compact magnetic contact detector designed to monitor the opening and closing of doors and windows. The sensor communicates wirelessly with Ajax security systems to report state changes to the control panel and mobile app. It is intended for perimeter protection in homes and businesses, enabling automated scenes and timely alerts about unauthorized access.

Advantages

The Ajax 38099 offers simple installation, low power consumption with a CR123A 3 V battery, and reliable magnetic contact detection in a low-profile white housing. Wireless communication simplifies placement without additional cabling, and compatibility with Ajax systems ensures centralized event reporting and remote notifications.

Suitable for

• Monitoring entry doors in residential properties
• Securing windows and secondary doors in small businesses
• Integrating into smart home scenes for automated responses
• Supplementing perimeter protection in offices and retail premises

Key specifications

• Detector type: Magnetic door/window contact (motion not applicable)
• Connection: Wireless (compatible with Ajax security systems)
• Power supply: CR123A battery, 3 V
• Colour: White
• Manufacturer part number (MPN): 38099
• EAN: 4823114014932

How to use

Mount the sensor and its magnet on the door and frame with the recommended gap and alignment according to Ajax installation guidelines. Insert a CR123A 3 V battery, pair the device with the Ajax control panel or hub via the system app, and verify signal strength and detection by opening and closing the door. Configure notifications and automation scenes in the Ajax app as required.

Recommendations

Place the sensor on rigid door or window frames, avoid installing on moving jambs or warped surfaces, and test battery status periodically. Keep the sensor within the recommended wireless range of the Ajax hub and follow manufacturer instructions for optimal performance.