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If you wish to get the Optex twin beam photoelectric detector, you can actually save a lot of money because this product alerts you whenever there are birds, insects, falling leaves, rain, fog, snow, frost and dust. In short, this is a package of one. And you can get all these only at around $134.95,excluding shipping fe which will only take one business day. Isn’t that great?

The Optex twin beam photoelectric detector uses infrared energy for its two beams. With infrared energy, travel of light is ten times faster than your typical detector. However, you need two beams to detect the elements mentioned above in order to trigger the alarm.

The presence of the two beams is to ensure that the alarm is not a false one and you will not live in paranoia everyday. This means that if you install the Optex twin beam photoelectric detector in a wall, there is an allowed interruption time of 500 milliseconds to let say ,cats for example to jump through. So, this product acts as a pet-immune detector as well. Its detection range is 130 feet from where you installed it. The maximum alarm period is three seconds. The beams are also covered with anti-frost material so it can still work in deep snow.

What are you waiting for? Order the Optex twin beam photoelectric detector online now. Installation manuals are available on the web.