Whynter D Energy Star 45 Pint Portable Dehumidifiers-Elite Series, Multi 45 pint/21.3 liter capacity dehumidifier with 6 pint/2.83 liter removable water bucket including handles and caster wheels for portability Low temp operation (minimum ambient temperature low 40 degrees F), electronic controls with humidity sensor settings, fit for 35-85% relative humidity Auto-restart, auto-shutoff, 24-hour timer, dual fan speed, and auto-defrosting capability to prevent frost build-up inside unit Noise level: &lt;53 dBA, air flow: 235m3/h / 138 CFM, maximum power consumption: 590W / 4.0A, power supply: 115 V / 60Hz UL listed and Energy Star rated, 2 in 1 silver-coated washable pre-filter combo, R410A, 20" drain hose for Continuous/Gravity drain