This is the perfect product for your wardrobe! It is a 100% reusable dehumidifier with high absorbing capacity, protecting your clothes & valuables from the damaging effects of moisture, fungus rot and mildew by removing unwanted moisture. It can be used in clothes drawers, closets, wardrobes, stroage boxes, shoes cabinets, floppy & CD disk boxes, leather products, camera equipment, etc. It even comes with a hook for hanging in the cloth wardrobe.It needs no power to operate. When the crystals turned its colour from blue to pink, just use the build-in power plug and plug it directly to a power source to re-charge (dry up the crystal) for up to 100 times or 5 years of reusable life!Compared to the non-reusable dehimidifier in the market which costs up to $10 for a pack of three which is to be thrown away after 1 month, this product is a steal equals to just 33 cents per month and comes complete with one year warranty!Each Eco-Dry" unit contains Water Glass Technology crystals. Water Glass is a very thirsty absorbing product. It's colorless, odourless and non-toxic. It will not re-release moisture back into the air until the unit is regenerated. This new Water Glass Technology is the most efficient way to absorb moisture.