(Board) – Mode 1 Time runs down after receive signals-> Display shows remaining time and supply power to device-> it cuts off power after time runs out (Board) – Mode 2 (Connect a button) Display shows remaining time after receive signals-> push button start-> time runs down and supply power to device-> it cuts off power after time runs out Pause (connect a button) Push button pause: it cuts off power when pause, display shows remaining time. Re-supply power after push button pause again.
