The Cybertake S2 Pro offers powerful heating and cooling, wherever you go. With whisper-quiet operation, automatic drainage, and rugged portability, it’s the perfect solution for year-round comfort in any environment. S2 Pro Cooling with Auxiliary Heating: Lightweight, waterproof, and quiet. Equipped with a Panasonic inverter compressor, it delivers powerful 1500W cooling and efficient 1800W auxiliary heating. In ECO+ cooling mode, it can run for 8 hours on just 1 kWh of energy.