i know there are many secondhand sellers (like that of facebook marketplace) but how do people find auctions in their area? just wondering :3

ive always wondered why some thunderbolts are red, or have stripes. is there any specific reason or was someone at federal signal just like "dude lets make a few select sirens REALLY cool looking." jokes aside though, is it just for aesthetic purposes or are some different to stand out mor...

I know there are some people who sell sirens, others who make them and whatnot, but how do sirens get from being deactivated for years to getting auctioned or something?? Sorry if this is a bit of a stupid question, but i cant really seem to find an answer online, and i was just wondering since ther...

ive always loved them for all my life, and only recently have i wanted to take that love and embrace it. as of right now, im not in a very good place but when im able to, i plan to try and make some of my very own sirens and do as much research as i can! if anybody knows of any good recources of res...