Learning Mode:

1. Via traffic signal controller, the data of red light remaining time can be sent to the count-down controller, and the display starts counting down until zero (in seconds).
2. To the next red light cycle and then to accept and display the data of seconds via traffic signal controller.
3. The learning mode is to use the cycle of automatic detection, and after two times of the same cycle confirmations, the seconds display in the third time.

Communication Mode:

1. Traffic signal controller can real-time control the count down timer.
2. Does not appear when manual operation, full red power on or flashing.

Countdown for The Red Light Has Two Conditions to Stop Countdown:

1. No data received via traffic signal controller.
2. An error data was received.

Count Down Timer:

1. The countdown starts at remaining 99 seconds (including).

Power Supply Modules of Countdown and Traffic Amber Light Are Separated and Independent.

When Communication Is Inoperative or No Communication Data Is Received:

1. Pedestrian automatically changes from real-time mode to learning mode.
2. The remaining seconds are displayed after learning two times of the same cycle confirmations.

The front and rear cover of lights are made of PC, which is resistant to UV radiation.