Check the listing for details. Hornady Rechargeable Gun Safe Dehumidifier 95900. Condition: New. Listed at 28.99 USD. Description: The Hornady Rechargeable Gun Safe Dehumidifier Absorbs humidity and prevents rust or mildew in gun safes or other enclosed areas. Moisture-control crystals change color when unit needs recharging. Recharge by plugging into 110V electrical outlet. - Safeguards firearms and other valuables from mold and mildew. - Eliminates humidity in enclosed spaces up to 333 cubic feet. - Quick-connect bracket makes mounting unit easy in gun safes, closets or pantries. - Removes humidity without electricity or batteries. - Color-shifting moisture-control crystals signal when recharging is necessary. - Simply plug in to dry out crystals and recharge unit for renewed effectiveness. - Contains no harmful chemicals — child, pet and home safe. - Dimensions: 1.5" x 4" x 6"Description: The Hornady Rechargeable Gun Safe Dehumidifier Absorbs humidity and prevents rust or mildew in gun safes or other enclosed areas. Moisture-control crystals change color when unit needs recharging. Recharge by plugging into 110V electrical outlet. - Safeguards firearms and other valuables from mold and mildew. - Eliminates humidity in enclosed spaces up to 333 cubic feet. - Quick-connect bracket makes mounting unit easy in gun safes, closets or pantries. - Removes humidity without electricity or batteries. - Color-shifting moisture-control crystals signal when recharging is necessary. - Simply plug in to dry out crystals and recharge unit for renewed effectiveness. - Contains no harmful chemicals — child, pet and home safe. - Dimensions: 1.5" x 4" x 6"