No de-rating. No fins to break.EASY TO INSTALL: Easily replaces existing switches in all homes – no neutral required and simple button press setupBETTER SENSOR COVERAGE: Covers up to 600 square feet at 180 degrees. Low-profile styling with uniform color-matched lens and deviceOCCUPANCY SENSOR SWITCH: Occupancy switch mode (Auto ON, Auto OFF) and vacancy switch mode (Manual ON, Auto OFF). And also allows you to customize the sensor according to your needsLED COMPATIBLE: Works with most common residential lighting types. Load: Incandescent, LED, fluorescent, compact fluorescent (CFL), magnetic low-voltage (MLV) and electronic low-voltage (ELV), 1/6 hpENERGY SAVING SENSOR SWITCH: Save money on your energy bill by making sure unused lights and fans are always turned off with a motion sensor switch