Same for me! Tech geek at age 10!I had one on my Grifter!
I made the mistake of supporting that Kickstarter project, and when I finally got the horn after many years, I found it had some major drawbacks: (a) very heavy (about 800g) and (b) the horn's casing rattled a lot and I couldn't find a way to stop it. However, it was definitely as loud as a car horn.