How do motion detector alarms work?
Motion detector alarms have the ability to sense motion using ultrasonic, microwave or infrared technology. Most of these work within a particular range of sight. These are commonly placed outside the building, on doors and windows. Some people even have these units installed in driveways and garages. There are two options available to you if you want to install an alarm like this at home. If you have a security system in place then you can simply upgrade it to include an alarm which is quite simple. If you do not currently use any security system then you can purchase these as stand alone units and install it yourself. Quite a lot of people think that motion detector alarms are too pricey for them. However, compared to all the other types of devices which are available in the market, these are quite reasonable. Also, they are portable and can function anywhere. Where can you use motion detector alarms? Given below are a few places where you can use a motion detector alarm: • Motion de
