ultrasonic alarm
#1
ultrasonic alarm
is there any company that makes ultrasonic alarms for cars, not ultrasonic sensor, but the ultrasonic sound that gives the person a crazy headache, nausia, ect. cause i cant find one, iv heard of them before though, unless they are illigal or something
#4
If you live near a best buy go there. Their about 20$ and by what you listed this does and it causes temporary deafness. Ive installed two of these under the dash in a prelude and wow.
#5
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Join Date: 10-04-07
Location: lewisville tx
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Not quite... They carry a small siren called a pezo siren. It does get loud id say about 130db or so. Its not ultrasonic and imo wont cause temporary deafness but definitely wont be able to stand it for long.
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