C. A. P.
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The PTC series of photo controllers Made
By Custom Automated Products, are perfect when you need to turn something on only
during daylight hours or only on at night. A photocell senses whether it is day or night,
and turns the device plugged into it on or off depending on which model you are using. The
PTC-1 turns on during the day. The PTC-2 turns on during the night.
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