The Intermatic K4121C 120V Stem Mount Photo Control installs easily into any standard single-gang box, replacing a conventional wall switch for a streamlined, low-profile appearance. It features built-in photocell control capability and flicker-free technology to reduce eye strain while delivering reliable, automatic exterior lighting control.
Operator-adjustable settings make this photo control an economical choice for managing outdoor lighting loads up to 150W. Designed for 120V applications, the K4121C offers superior performance and convenience for residential and light commercial use.