ITEM NAME:Analog Light Intensity Sensor Module 5528 Photo Resistor for AVR Ardui%P Desciption: 100% Brand New and High Quality Voltage follower output analog value, strong anti-interference ability The power supply can be 2.7-5.5v DC 4 M2 screw positioning holes for easy installation Size:24*24*10mm Package Included:1pcs.4 M2 screw positioning holes for easy installation. Size:24 24 10mm.