This is a non-inverter, wall-mounted air conditioner from LG's Lite series. It comes in two horsepower options: 1.5HP (S3-C12HZCAA) and 2.0HP (S3-C18HZCAA). Designed for cooling spaces efficiently without the advanced energy-saving features of an inverter model, it's suitable for those seeking a cost-effective cooling solution. It's a simple, reliable air conditioning unit for home or office use.