UPGRADED TECHNOLOGY & HIGH EFFICIENCY: SPACEKEY dehumidifier uses semiconductor condensation technology, equipped with dual fans and dual semiconductor condensers, its efficiency is much higher than other small and medium-sized dehumidifiers. It can collect up to 50 oz of water in 24 hours in a closed room with a humidity of 86 F and 80% RH, and its energy consumption is very low (not more than 1.68 kWh/Day). The dehumidifier can cover 850 square feet, which is very suitable for bathrooms, basements, bedrooms and RVs