Chironal 200PCS x 5506/5516 / 5528/5537 / 5539/5547 / 5549 Light Dependent Resistor LDR 5MM Photoresistor and Retail Photoconductive Resistance (200PCS x 5506): Amazon.com: Industrial & Scientific
Amazon.com: IIVVERR DC24V Light Control Switch Photoresistor Relay Module Detection Sensor (Sensor de detección de módulo de relé de fotoresistor interruptor de control de luz DC24V : Everything Else