This eco-friendly dehumidifier silently and reliably protects clothes and valuables from mold, mildew and moisture. The unit lasts 20-30 days before renewing. Special features of the E-333 includes: the unit works in areas up to 333 cubic feet, requires no batteries or cords for use, is 100% renewable, works up to ten years, is compact/silent, always spill and mess free and is non-toxic, child and pet safe! Designed to absorb moisture from small enclosed areas Removes 6 - 8 oz moisture per day to help keep your room dry Works well in areas as big as 333 cuft Odorless & non-toxic silica beads helps prevent the growth of mold & mildew for a cleaner space Cannot leak or spill & is safe for use around children & pets 100% renewable & needs no power to operate Just hang the unit in a closet or you can place it in other small enclosed spaces & will start to absorb moisture No batteries required or cords to plug in Works without power Indicator window with special moisture meter crystals that change from orange when dry to green when wet to indicate when the unit needs to be renewed Lasts approximately 20 - 30 days About 8-10 hours to completely renew unit Remove & plug it into a power outlet in a ventilated space to renew. Specifications Capacity: 4 oz. – 6 oz. Power Source: Renewable Usage in Motion: Yes Suited for spaces up to: 333 Cubic Feet Dimensions: 6.25" x 1.25" x 4.75" Weight: 24 Oz. The E-333 provides dampness protection that is ideal for small spaces such as Small closets: Eva-Dry prevents damage to fabrics and musty odors caused by excess moisture Plastic Storage Containers: Absorbs musty odors, and prevents damage caused by excess moisture on stored seasonal clothing Cabinets: Protects stored food from damage caused by excess moisture Under sink: Keep the under sink area dry and mold free Safes: Protect your valuable pictures and important documents from damage caused by excess moisture. Other Uses Bathrooms/Laundry Rooms: Eva-Dry absorbs excess moisture form vapor related activities, and helps dry fabrics faster Bedrooms: While absorbing excess moisture you are also reducing dust activity, and consequently the risk of allergies Basements: Protects stored clothing and tools from damage caused by excess moisture Offices/Supply Closets: Protects electronic equipment, supplies and paper from damage caused by excess moisture Gym Lockers: Absorbs odors and dries wet gym clothes faster Musical Instruments: Prevents damage caused by excess moisture Gun Safes: Prevent rust to guns and expensive ammunition and other damage caused by excess moisture Safety Deposit Boxes: Protect your valuables and documents from damage caused by excess moisture.