Do it Indoor and Outdoor Automatic Photocell Lamp Control is designed to provide reliable lighting control by automatically turning your lights on at dusk and off at dawn. This versatile photocell operates effectively in any position when used with PAR38 floodlights or spotlights, and it is also compatible with standard light bulbs. It fits most outdoor fixtures, making it an i choice for enhancing patio and driveway security. The device supports 120V AC power with a 150W capacity and works seamlessly with incandescent, CFL, LED, and halogen bulbs. Safety and quality are assured as it is UL listed, ensuring dependable performance for your lighting needs. Model Number: 509442