The KTN828 is the compatible replacement for the Sharp CRMCA042KKEA and works with Sharp air conditioning models FPN40CXW and FPN60CXW. This universal remote controls 99.9% of mini-split, HVAC, wall, and window AC units with quick numeric code programming and will require programming for your specific system. Features include a large backlit LCD display, built-in clock, room temperature display, and support for both Fahrenheit and Celsius. Intelligent heating and cooling modes automatically adjust output for energy efficiency and optimal comfort. The remote comes with wall mount hardware for convenient placement.