hlk-ld1020

Hello, D1 is photoelectric sensor, After the photoelectric sensor is enabled, the ambient light intensity is detected. The photoelectric function does not respond during the day if it is in use. you can choose this function when you place the order, cause the standard version without this function.

funcionara con un ldr?
para que solo se active de noche?

Generally, the application of lighting products requires photosensitivity because it senses that people do not need to turn on the lights during the day.