Auto ON/OFF Design: Built-in photocell automatically turns your exterior lights on at dusk and off at dawn, eliminating daily manual switching. Greatly reduces waste while ensuring your outdoor areas stay well lit at night and switch off reliably in the morning. Versatile Lighting Support: Suitable for many bulb types, these photocell sensors work seamlessly with incandescent lamps, fluorescent lamps, LEDs, lamps and mercury high-pressure lamps, allowing easy upgrade of existing outdoor lighting to automatic dusk to dawn control. Excellent Performance: High-sensitivity photoelectric control quickly detects ambient light changes for reliable response at dusk and dawn. Rugged plastic housing, tight sealing and a protective cover help withstand rain, wind, snow and everyday outdoor environments with stable operation. Wide Compatibility: Designed for 120-277V US standard circuits, this dusk to dawn sensor works with most outdoor lighting fixtures without extra adapters, including and sidewalk lights, road pillars, floor lamps, carport and entrance porch lights and more home lighting. Easy Installation: Package includes 2 photocell sensors with wall plates and 4 screws, so no extra accessories are Clear wire-in design lets even DIY beginners connect the sensor to outdoor lighting circuits quickly, achieving hands-free dusk to dawn lighting control., Weight: 0.3500058871512 pounds, Manufacturer: Ounfhtrttk