Description: High photosensitivity and excellent linearity optical sensing module Power supply indicator lamp Comparator output indicator lamp AO, real-time photosensitive diode voltage signal output DO, high / low electric level signal output Analog quantity output Threshold rollover electric level output Threshold adjusted by potentiometer Power Supply: 0-15 V DC Hole Inner Diameter: Approx. 3mm Size (L x W): Approx. 36 x 16mm Package Includes: 1 x light sensor module Note: Please take note that we have 2 different kinds in stock and the colors of the boards are different. One is green and the other one is black. (Please refer to the pictures) We will send one kind at random, please in kind prevail