英文關鍵字
access
adult
alarm
button
code
coded
communication
control
digital
display
door
emergency
encryption
finger
home
identification
identity
key
keypad
lock
manager
network
new
office
operator
padlock
panel
password
pin
premises
prevention
protection
remote
room
safe
safety
scanner
security
selecting
setting
software
solution
standing
success
system
technology
unlock
using
wall
woman