Dusk-to-Dawn Photocell

Convenient and energy efficient, a Dusk-to-Dawn Photocell automatically turns outdoor lights on in the evening and off when the sun rises the next morning. This photocell light sensor is easily installed by a qualified electrician.For best results, the photocell should face North. Protect the cell from any direct artificial light that may be on after dark, i.e. through the windows or from lighted signs, etc. The photocell should have an open view of daylight; inside corners and overhangs may affect operation. Manufactured in the U.S.A.Purchase includes wall backing plate and dusk-to-dawn photocell backing plate cover.