... lock,motorcycle lock set,siren lock the lock adopts two steps to operate,alarm or without alarm. alarm lock,motorcycle lock set,siren lock desprition:1. The lock ... the key core as to make the lock pole lock the second step ,when you hear ... alarm situation,after 15 seconds , when the lock or vehicle is viberated, it will give ... , remove the two screws beside the lock hole , take out the rubber washer ,you ...