A parking meter displays two hours on the timer for a maximum of 4 hours.
A parking meter says 2 minutes on it and has a sticker on it saying the maximum stay is now 4 hours
a parking meter with about 2 hours left on the screen
A parking meter with the time 2:00 on the clock and maximum stay is 4 hours.
A parking meter with a four hour maximum shows two hours remaining on the display screen.