uxcell Outdoor 50M Security Triple Beams Sensor IR Detector

[Music] hi in this video I'm going to describe how a dual beam system works now this is a popular product for alarm systems and what it is it consists of two units and one unit is a saying that one is a receiver and it emits an infrared beam now the one I'm going to describe is made by a company called IDs and the product number just in case you're interested is SPT sixty the sixty designates the detection live and I'll explain all that shortly so just gonna unbox it and the immediate thing you should notice is there's two units so this differs from a PIR this isn't a passive infrared sensor as such this is a dual beam system and how you can tell the difference straight away just by looking at it there are two units because API or is usually one unit which will send out a zone of infrared detection areas while the beam is a little bit different as you can see after two units and in brie