Do it Gray Hard Wire Adjustable Photocell Lamp Control is a heavy-duty, high-wattage photo control designed for versatile lighting needs. It features adjustable sensitivity, allowing you to customize the timing from early-on to late-on operation. Encased in a rugged, weatherproof polycarbonate plastic housing, this photocell is built to withstand outdoor conditions while providing reliable time delay operation. It is i for security lighting and commercial fixtures, supporting 120V power with a capacity of 2000W/16A for incandescent bulbs and 1900 VA/15A for ballasted lighting. The unit mounts easily with a standard 1/2" thread and measures 1-3/4" x 2-1/2" x 1-1/2". Compatible with incandescent, CFL (compact fluorescent), LED (light emitting diode), and halogen bulbs, it is UL listed for safety and quality assurance. Model Number: 516791