first door lock 10 protrudes however the remote controller 34 can be provided at the place where the first sensing device 16 of fig1 is installed in the former case the second sensing device 50 and or the alarm light apparatus 60 are used together with the first sensing device 16 in the latter case the second sensing device 50 and or the alarm light apparatus 60 are used along also in the former case a process in which the remote controller 34 is turned on off is the opposite to a process in which the first sensing device 16 is turned on off in the case of the first sensing device 16 the u201c on u201d state occurs when the locking member 14 b protrudes so that the locking member 14 b does not exist in the locking device 14 in contrast in the case of the remote controller 34 the u201c on u201d state occurs when the locking member 14 b exists in the locking device 14 the u201c off u201d state occurs in the reverse case 0047 fig8 shows the outer side of the entrance door 30 where the first or second door locks 10 or 40 is installed referring to fig8 the second handle 70 which is used by a user to open the entrance door 30 is provided and a lock assembly 72 having an insertion hole.