What is a microwave sensor? What is a PIR? Which one is best?

Why Use A Microwave or PIR Sensor?

Microwave Sensors detect movement by sending out electromagnetic pulses and measuring the changes in frequency due to reflecting off- a moving object. View our Microwave Sensor range How it works? Choosing between presence and absence detection can make a significant difference to user-friendliness and energy saving. With presence detection, all movement is detected (including that …

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