Woods Woods Outdoor Smoke Detector and Tube Light Control with Swivel Base for Photocell

Photocell automatically turns light on at dusk and off at dawn. Great for parking lots, building perimeters, sports fields, outdoor sign illumination and other outdoor uses. LED, incandescent, fluorescent, halogen, mercury vapor, and high pressure sodium, CFL compatible. Includes light level slide adjustment. Time delay eliminates flicker and false on/off triggers due to stray light.