MCC-1642-04C Wide Compatibility: This universal air conditioner main control board offers excellent compatibility with most mainstream residential wall-mounted and floor-standing air conditioners. Precise Control: Precisely adjust temperature, fan speed, and timers, and seamlessly switch between cooling, heating, dehumidifying, and fan modes to ensure smooth and stable daily operation of the air conditioner. Durable Construction: Manufactured using soldering technology with uniform solder joints and a clean circuit layout, plus a moisture- and dust-resistant surface coating, ensuring stable performance in various indoor environments and extending the product’s service life. Easy Installation: Clearly labeled standard connectors ensure quick and convenient installation and replacement, requiring no specialized skills or complex maintenance tools.