This high capacity Gurin Renewable Wireless Mini renewable dehumidifier is adsorbs moisture from areas that are small and enclosed. It helps in protecting your clothes and other valuables from getting damaged due to mold, mildew, and moisture rot. This 100% renewable product needs absolutely no power for operating. All you have to do is just hang the device either in a closet or wherever place that is small and enclosed. The unit will adsorb moisture and you do not need any batteries or cords for plugging in as it works without power. And then there is an indicator window having unique “”moisture meter crystals”” changing color from blue to pink on getting wet which indicates the units needs renewal.