120V supply 60 Hz that can be run off a 12V DC-110V AC converters , auto power reset in case of power supply interruption. Smallest 25 pints desiccant dehumidifier in the market using “3-hole” technology. Operating range from -4°F up 104?F maximum room temperature for continuous drying applications, built-in humidistat container, and an optional remote humidistat can be added by way of using a simple plug-in low voltage jack plug. Very quiet fan operation at 44dB ideal for small spaces, with 84 CFM air volume capacity (73 CFM – exhaust / 12 CFM regen air flow). Compact, all metal construction inside and outside designed for longevity, flat carrying handle that can be extended to allow easy transport and mobility, and anti-scratch four plastic feet that can be swivelled out to make four anchor points so that the unit can be mounted with suitable screws to walls/ceilings or simply fastened down onto a surface. IP24 rating which means the unit can still operate even in more damp conditions. Reticulated and easy-to-clean dust filter in metal frame to prevent particulates from entering the unit and impeding performance. Duct AIR-IN option is fitted with a metal duct flange on the filter grill to allow for an external 5″ duct to draw in the air from a more remote point, concentrate the most damp air into the unit to be dried if needed. An additional flange can be added to the AIR-OUT but is not provided with the unit. Exhaust duct made easy for permanent installation by plumber or a home DIY person using standard waste pipe 1.61 inch diameter fittings. Easy repair and maintenance, fast access to replace cord sets and worn-out parts Lightweight at 14.1 lbs. and comes with 15 ft. long power cord, minimizing the use of an extension cord when placed in an area where power outlet is limited 52dB Process air in 5″ – Process air out 5″ – Exhaust air 1.5″