Outdoor swivel mount light control with photocell. Controls security lighting & automates parking lots, building perimeters, sports fields & outdoor lighting. Turns light on at dusk & off at dawn. Works with incandescent, fluorescent, LED, halogen, mercury vapor, or high-pressure sodium bulbs. CFL compatible. Requires no seasonal adjustments. Photo control activates with the absence of light. Time delay eliminates flicker & false on/off triggers due to stray car light. CUL listed.