Prevent damage caused by excess moisture in your home. Royal Sovereign Dehumidifiers RDH-230 provide efficient dehumidification power for healthier air quality and a drier, more comfortable environment. Removes 30 pints (14.2L) of moisture per 24-hour period. Energy Efficient and E Star rated. Digital Controls: Allow you to set desired humidity level, fan speed and 24-hour timer. Auto Restart: Restarts after a power outage in previous settings. Washable Filter: Collects large dust particles and prevents bacteria build-up. Portable Design: Easy guide castor and built-in handle make units easy to move from room to room.