Compatibility: for 12A cooling units, this controller comes with pre set codes for quick installation with wall or window models—no manual programming required. Just insert two standard batteries for ready to use functionality. Versatile adjustments : Easily change between cooling/heating/drying/auto modes with dedicated controls for fan speeds, ventilation directions, sleep timers, and temperature adjustments (±1°C). Ideal for maintaining comfortable indoor conditions. Clear Multifunction Display: The large screen shows current temperature settings, timer functions, active modes, and vent positions with easy to read text, remaining visible in low light environments. Strong ABS Construction: Made from reinforced flame retardant ABS plastics, the 8.8X4.5X1.5Cm body resists impacts and scratches. Smooth press buttons secure consistent responsiveness without sticking over time. Optimized Energy Efficiency: Equipped with long ranges transmitter and improved circuitry that minimizes standby consumption—batteries last longer with regular use, reducing replacement frequency.