Not all bike alarms are equal, in fact some are so bad that I refuse to install them!
Hopefully the reviews will help you to help guide you to spend your cash wisely and avoid some of the misleading sales spin out there!
Thatcham CAT MC1
Compact alarm/Immobiliser, Battery Back-up siren, Tilt Sensor, Low current draw.
Compact alarm/Immobiliser, 109 dB siren,
Remote Start, siren,