Features: For Light intensity detectedlight brightness sensorsSmart car module Using the sensitive type photosensitive resistance sensor Waveform of the comparator output signal is goodstrong driving ability With adjustable potentiometer can adjust and detect the brightness of the light Come with bolt holes for easy installation Specifications: Working voltage 3.3V-5V the output format: Digital switching output (0 and 1) Size:32 x 13 x 7mm(L x W x H) Color:Blue Net weight:2g Package include: 1 x Photosensitive sensor module