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View Full Version : Adding a battery backed up siren



Headbanger
06-03-2007, 12:24 AM
I recently got an alarm installed and I have read on here that it's a good idea to have a battery powered backup siren. I didn't install the alarm and have no desire to know how to install them, however this seems like a pretty simple task. So how would I do it?

IamMurph
06-03-2007, 05:23 PM
Battery backup sirens are 1980's technology. I prefer the 520T battery backup. Unlike the powered siren the 520T keeps the alarm working not just the siren.

The battery back up sirens are basic. 12v power, ground and a trigger wire.

Headbanger
06-03-2007, 08:00 PM
Who makes the 520t?

IamMurph
06-03-2007, 09:54 PM
Directed Electronics