Renewable Silica Gel Crystals: Non-toxic, safe and spill-free silica gel crystal beads effectively absorb moisture from the air. 350g granules can absorb moisture for 2-3 weeks depending on the air humidity. Reusable Dehumidifier: This dehumidifier can be charged for 12-15 hours to quickly dry the silica gel beads for the next use. No pellets to replace, can be reused after loading. Clean, easy and safe to use. Visual Display: Orange beads turn green after absorbing moisture. The wet and dry state can be judged by the display window. Orange is dry, green is wet. Cylindrical designA cylindrical body, 360 degrees around the dehumidification, effectively fight against too high humidity. With this small, portable design, you can place the dehumidifier anywhere to combat humidity. Ideal for small spaces: protects clothes, cabinets, electronics from moisture. This compact size is ideal for small spaces of up to 5, such as a wardrobe, bookcase, shoe cabinet and suitcase.