Intermatic K4221C Stem and Swivel Mount

Photoelectric Sensors by Intermatic. Details: These photocontrols are provided with a swivel arm for easy and flexible installation to standard outdoor light fixtures or electrical boxes. This series features single and multi-volt models in stem mount with a swivel. All models are equipped with a light level slide adjustment and provide a 1/2-Inch-14 threaded stem. A washer gasket and locking nut are packaged with each Photocontrol.