The photoelectric detector is a tool to detect an object or person passing through the beam using infrared, you can see when you walk into a store and heard the bell, then it is called fotoeletrik detector in a store, her alarm is usually placed on one side of the entrance, this device works through the white light and low-power laser lens, therefore if you pass / cross beam of light that the alarm will sound.
Photoelectric detectors can also be used indoors, if you, make sure to buy the tool mounting equipment is included, this tool is very easy to install, you just need to set the focus and the stricken area where the cruise you want.
This detector can also be used to detect smoke, but the tool is not too sensitive, you must use another photoelectric detector specifically designed to work as a smoke detector.
Photoelectric detectors can also be used indoors, if you, make sure to buy the tool mounting equipment is included, this tool is very easy to install, you just need to set the focus and the stricken area where the cruise you want.
This detector can also be used to detect smoke, but the tool is not too sensitive, you must use another photoelectric detector specifically designed to work as a smoke detector.
Attached photoelectric detector that you can use
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