Módulo Sensor Luz Fotocelula p/ Funduino

1 Using photosensitive resistance sensor sensitive type  
2 Working Voltage:3.5V-5V  
3 Output form:Digital Switch show (0 and 1)  
4 Fixed Bolt Hole,easy installation  
5 Small PCB size:3.2CM*1.7CM  
6 the comparator output, signal clean, good waveform, driving ability is strong, for more than 15 ma  
7 with adjustable potentiometer to adjust light brightness