Replacement remote control compatible with Gree Mcquay LENNDX Aermec Air Conditioner Yt1f Yt1ff Yt1f1 Yt1f2 Yt1f3 Yt1f4. Key FeaturesLong distance remote control, approx 8~10 meters. User-friendly design enhances operational convenience and optimizes user experience. LCD screen clearly displays temperature/mode for easy setup and operation. Built-in timer function allows preset schedules based on your routine, preventing unnecessary operation. Easy setting, simple operation, original appearance. Comfortable handle and convenient use