4 Sequence switch/ 4delay switch
Sequence 1: LED Testing
Sequence 2: One way traffic
Sequence 3 & 4: Two way traffic

Function of LEDs in the trainer.
Green – Start,
Red – Stop
 Yellow – Warning To Stop
Blue – Pedestrian
Multi Color– Free Left
Built in Regulated Power Supply: DC +5V/300 mA.
Power Supply:
Voltage range: AC 100V – 230V.
Frequency Range: 50 – 60Hz.
Housing: It is mounted in an elegant ABS Plastic cabinet for better viewing and portability.