Primewire 2-Outlet Turn-Dial Pigtail: * Interruption-free programming prevents headlights, porch lights and street lamps from interfering with the unit * Female receptacle positioned perpendicular to wall and accepts most low-profile, right-angle and transformer plugs * photocell activated — activates programming and resets only after programming cycle has completed * Turn-dial select — choose 2-hour, 4-hour, 6-hour, 8-hour, dusk-to-dawn or always on settings