The PEET Safe Room Dehumidifier provides continuous humidity control for gun safes, cabinets and safe rooms. Its gentle thermal convection system circulates warmed air to reduce dampness and help protect firearms and other stored valuables from rust and mildew. The unit operates quietly without filters, water replacement or periodic recharging.Specifications and Features: Thermal convection safe and cabinet dehumidifier Coverage up to 600 cubic feet Quiet, maintenance-free operation 18-watt power consumption Black fire-retardant construction 5-year warranty with timely registration