Chip with multiple voltage protection, automatically cuts off power when voltage spikes or drops to protect key parts like the compressor and fan from damage. Accurate temperature sensor module that reads room temperature in real time, keeping the temperature stable and even, so no sudden cold or hot swings and less energy wasted from frequent on/off cycles. All-in-one snap-on interface design, terminals aligned perfectly, easy to put together or take apart without loosening, which helps prevent AC errors from poor connections. Moisture-proof, flame-retardant insulation coating, for humid kitchens, bathrooms, and rental spaces, reducing the risk of electric leaks and corrosion. Built-in self-check feature quickly spots fan or sensor issues, making maintenance easier, and saving time and effort., Manufacturer: lxn0328