Originally Posted by Reliableron

They didn't come with a "chirp" alarm. It is working properly - only flashes the lights. If you replace the alarm with the new part # available it has a soft chirp. If you want to add a chirp there is a thread on adding a radio shack part to make it chirp. https://www.crossfireforum.org/forum...ighlight=alarm Hope this answers your question, Ron