What is a key advantage of dual technology motion detectors?

A key advantage of dual technology motion detectors is that they significantly minimize false alarms. These detectors typically combine two different sensing technologies, such as passive infrared (PIR) and microwave detection. By requiring both technologies to detect motion before triggering an alarm, the system reduces the likelihood of false alarms caused by environmental factors such as pets, moving shadows, or other non-threatening stimuli.

This combination increases the reliability of the detection system, ensuring that only genuine threats prompt an alarm. The dual nature of the sensors means that unless both types of detection activate under specific conditions, the system will remain inactive. This feature is particularly advantageous in environments where false alarms can lead to costly responses from security personnel or local authorities, as it enhances the efficiency and trustworthiness of the alarm system.