Prime Wire & Cable TNOCD002 2-Outlet Turn Dial Pigtail Interruption-Free Programming/Headlight, Porch Lights and Street Lamps will not Interfere with Unit Female Receptacle Positioned Perpendicular to Wall/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 From 5 Modes:2hr, 4hr, 6hr, 8hr or Dusk to Dawn Countdown Timing/Starts at Dusk for the Timed Duration Selected