Willtill
Nitrous
They're loud as chit. I have one. Make sure you use a reminder when you clip it to your disc.
his is the one I have:
http://www.xenasecurity.com/product/motorbikes/alarm/XXSeries/XX10Yellow/page1/
his is the one I have:
http://www.xenasecurity.com/product/motorbikes/alarm/XXSeries/XX10Yellow/page1/