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Miscellaneous Automotive
Car Electronics & Appearance
backup battery or siren?
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<blockquote data-quote="RFCV" data-source="post: 1162227" data-attributes="member: 561906"><p>I would be ideal to have both, but the back up siren will keep sounding even when all power is off. It has its own power batt inside it. If you have both, the 2 sirens will continue to sound if power is off, but what if they find the siren without back up and cut it? No more sound (even with back up battery) without the back up siren. That's why you should hide the back up siren very well, preferably on the inside!</p></blockquote><p></p>
[QUOTE="RFCV, post: 1162227, member: 561906"] I would be ideal to have both, but the back up siren will keep sounding even when all power is off. It has its own power batt inside it. If you have both, the 2 sirens will continue to sound if power is off, but what if they find the siren without back up and cut it? No more sound (even with back up battery) without the back up siren. That's why you should hide the back up siren very well, preferably on the inside! [/QUOTE]
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Miscellaneous Automotive
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backup battery or siren?
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