A chirp sound when you turn the key on (saying the alarm is engaged).
A chirp sound when you turn the key off (saying the alarm is engaged).
A chirp sound when you turn the key on (saying the alarm is not engaged). A chirp sound when you turn the key off (saying the alarm is engaged). A Warning Chirp when the bike is moved or tampered with to say that the keys are not near and the alarm is on.
A Second Warning Chirp if the bike is still being moved or tampered with to warn the the thief that it is alarmed.
Finally if the bike is still being moved or tampered with, a 120 db siren goes off notifying you and all others within hearing distance that there is something wrong.