Photoelectric control is enclosed in a UV-resistant rain tight polypropylene housing with a 1/2 inch threaded nipple. All controls are factory calibrated to a 1.0 foot-candle (fc) turn-on. The shutter allows field adjustment of turn-on. Incorporates a swivel mounting for positioning flexibility. The FP-SFT series photoelectric control incorporates a swivel mounting for positioning flexibility. Designed for safety and security lighting of walkways, entrances, parking lots, farm yards, recreational and public areas. These highly reliable controls are ideal for protective lighting in schools, malls, commercial and industrial buildings.