Koolife New Style Renewable Wireless Mini Dehumidifier 100% Safety: Non-toxic, child and pet safe. Works up to ten years. Keep your family and pet safe 100% Money Save: The unit lasts 20-30 days before renewing. No messy spills or refills to buy 100% Easy to use: Requires no batteries or cords for use. Works in areas up to 450 cubic feet 100% Renewable & Silent: dehumidifier is renewable and designed with ultra-low noise technology 100% Satisfied Guarantee: We offer a full 1-year money-back guarantee on our brand products