Main Parts : 
Power Jack x 2
Color Sensor x 1
LED x 4
5-pin Stackable Header x 1
2-pin Stackable Header x 1
LED Type : White LED
S0, S1 : Frequency scaling selection 
S2, S3 : Photodiode type selection 
OUT : Frequency output
Brick Unit : 6 x 5

Note : This module converts light intensity to frequency for color recognition