Fire Horn Siren Alarm 12-24V Sound Warning Alarm Speaker for Industry Firefighting Emergency Security Alarm Sound And Light

[Music] hi everyone ara darderian here of the hd tv and home theater podcast and on the show we've talked about using our home automation systems as security systems for quite some time but one of the things that are lacking is a siren and we're going to show you how to make your own regardless of what your home automation system is for about 25 dollars in parts very straightforward now of course you can buy some alarms that already work with various home automation packages there are some that work with amazon google i couldn't really find any that work well with home kits but you can build your own and you can have a little bit more control over the type of alarm that you get so it's really straightforward what you need is an alarm a siren and i got mine over at parts express it's ten dollars for the alarm and then you need a power supply i got a 12 volt power supply over at parts exp