Worth every penny!
This is definitely not a joke. It works EVERY time, and it's loud enough to hurt. You can set the sensitivity with the key fob. The instructions are fine, but if you need to see rather than read, there are YouTube videos. It's easy, I assure you. I'm not sure how this would fit on any standard bicycle if you want to conceal it, but it comes with two 3M adhesive pads and zip ties for easy install. Fits my needs perfectly though. Read more




















