英文關鍵字
app
application
cell
cellphone
cellular
code
crime
device
digital
disarmed
display
finger
hand
holding
home
house
household
interface
internet
iphone
keypad
laptop
lock
mobile
modern
phone
plant
pressing
prevention
remotely
safe
safety
screen
secure
security
smart
smarthome
smartphone
system
table
tapping
technology
telephone
touch
touchscreen
unlocked
using
wall
wifi
wireless