PODOY 20PCS Photoresistor GL5537 5537 LDR Photo Resistors Light-Dependent<img src="http://ecx.images-amazon.com/images/I/41G0rCQAW3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/317Xg-B2aDL.jpg" noproxy>