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The Reliance P4221 Photo Control, Stem and Swivel Mount is a thermal-type photo control with a bottom-threaded mount that swivels horizontally, providing dusk-to-dawn lighting control. Its delay action prevents lights from turning off due to car headlights. The cadmium sulfide photocell and sonic-welded polycarbonate case and lens ensure moisture resistance. Operates in temperatures from -9.44 degrees to 167 degrees.
Provides dusk-to-dawn lighting control with moisture resistance. Features a swiveling, bottom-threaded mount and operates in a wide temperature range.
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