The Color recognition sensor can give cars and others instructions via scene imagination. If a red light is recognized, the car stops! If a green light gets recognized, the car goes ahead!
Specifications
Connections: RJ11 4P4C
Power: 3.3V
Connections type: IIC
Core IC: ADPS9960
You can find the introduction of this product following this link
https://wiki.elecfreaks.com/en/microbit/sensor/planet-x-sensors/Plant_X_EF05006