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Post by dustyalarm on Aug 12, 2024 11:46:03 GMT
It's a type of system that puts laser beam lights through the rooms then if a burglar walks through one of the lights the alarm goes off and the cops come over? But the owner of the house can deactivate it.
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Post by Foxy the Wolf on Aug 12, 2024 11:46:48 GMT
Beam sensor
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Post by dustyalarm on Aug 12, 2024 16:49:09 GMT
I want one of those.
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Post by Foxy the Wolf on Aug 12, 2024 17:05:50 GMT
They don't use them anymore |
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Post by fireman on Aug 12, 2024 17:11:58 GMT
I used to see them in old TV shows and did not think they were real. Why aren't they used anymore?
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Post by Foxy the Wolf on Aug 12, 2024 17:13:08 GMT
I used to see them in old TV shows and did not think they were real. Why aren't they used anymore? Cause we have PIR and Dualtec sensors |
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Post by fireman on Aug 12, 2024 18:01:03 GMT
Do they do the same things as the old light beams?
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Post by Foxy the Wolf on Aug 12, 2024 18:02:45 GMT
Do they do the same things as the old light beams? Yeah PIR is passive infrared Dualtec is dual technology, passive infrared and microwave combined |
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Post by dustyalarm on Aug 12, 2024 20:37:28 GMT
Do they do the same things as the old light beams? Yeah PIR is passive infrared Dualtec is dual technology, passive infrared and microwave combined I'm learning a lot |
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