The DryWave gently warms and dries the air to prevent the formation of mold and mildew in enclosed spaces (like moored boats). Designed for safe, continuous operation with state of the art safety features. Thermal cut-off switch prevents overheating and it only draws the same power as a household light bulb. NOT recommended for warm humid climates. Energy efficient design draws only 1.0 Amps. 2-year Warranty.