AJAX 42827.02.BL3 Wireless Pet Immune Motion Detector with Additional Microwave Sensor, Black

Protect sensitive indoor spaces with the AJAX Wireless Pet Immune Motion Detector — a professional-grade motion sensor built for reliable intrusion detection and everyday monitoring. This AJAX PIR motion sensor combines a high-end passive infrared optic with an additional microwave element and SmartDetect algorithm to dramatically reduce false alarms caused by air conditioners, reflections, or curtain movement. With a detection range up to 12 m (39') and pet immunity for animals up to 20 kg and 50 cm tall, it’s ideal for offices, retail, residential and server-room environments where accurate security and minimal disruption are essential.

Designed for installers and security managers, the detector offers encrypted two-way wireless communication to the control panel up to 1,200 m, tamper alerts, and quick QR-code pairing in under 30 seconds. A pre-installed battery provides up to 5 years of autonomous operation—cutting maintenance and ensuring continuous surveillance. Integrate seamlessly with existing systems and manage settings via mobile and desktop apps for remote monitoring and testing. Add the AJAX 42827.02.BL3 to your security lineup for dependable intrusion detection and fewer false alarms—perfect for professional security deployments and business-critical monitoring.

• Reduces false alarms with dual-sensor detection (PIR + microwave) and SmartDetect signal analysis
• Pet‑immune design lets you monitor rooms with animals up to 20 kg / 50 cm without nuisance triggers
• Long-lasting operation (up to 5 years on pre-installed battery) for low-maintenance security monitoring
• Secure wireless communication up to 1,200 m and 30‑second QR pairing for fast installation and reliable coverage
• Built-in tamper protection and mobile/desktop app control for centralized surveillance and remote management