英文關鍵字
background
battery
black
blink
button
charger
closeup
code
connect
connection
control
dashboard
data
detail
electronic
energy
equipment
flash
flicker
gray
illumination
indicator
industry
initiate
internet
isolated
lamp
lantern
led
light
macro
panel
plastic
power
red
safety
selective
sign
signal
single
stats
status
switch
system
technology
telecommunications
triggered
video
view
zone