... saving 4) COOL Fashionable, colored,time setting from1-12 hours device portable Air Cooler - B035(3500m3/h) ModelKLP-B035Airflow(m3/h ... protection: No compressor and no freon.C: Obvious effect of lowering temperature: Lower temperature by water evaporation.Refrigerate in effect,evaporative ... for easy mobility. Fashionable, colored,time setting from1-12 hours device portable Air Cooler - B035(3500m3/h)