Solar Lights Model RC2-B Reference Cell utilizes a 2cm x 2cm monocrystalline silicon solar cell photo sensor, mounted in a durable black anodized aluminum block with a BK7 glass protective window. The region behind the BK7 window has a low reflectivity coating to minimize internal reflections. A K-type thermocouple temperature sensor attached to the back of the solar cell provides an accurate reference cell temperature measurement. The cell has a 4 terminal connector with mating connectors provided.
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Reviewed in the United States on February 4, 2026
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So glad I bought this! I need to move almost all of my reptiles lights to the inside of their cages for them to be in the correct zones, I had no idea they were not getting enough uvb before.
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