There are two main types of motion sensor lights: passive infrared (PIR) and microwave radar. What are the 2 different types of motion sensor lights? They can also be useful for lighting up a dark driveway or walkway. This makes them ideal for security purposes, as they can deter burglars and other intruders. Motion sensor lights are activated by movement, so they only turn on when someone or something is moving in their field of view. Fortunately, motion sensor lights are a great alternative. While this type of lighting is adequate for some purposes, it can be impractical and expensive to keep on all night long. Most people are familiar with standard outdoor lights, also known as garden lights, which are turned on manually or with a timer.
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