No Stock in NZ. This item will be brought into New Zealand - Order before 20th (cutoff). Delivery on 31st/1st.
This is a very small light sensor. A photocell changes (also called a photodetector, photo resistor, CdS or photoconductive cell) resistance depending on the amount of light it is exposed to. These little sensors make great ambient light triggers (when light in the room turns on, do something).
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