Absorb humidity and prevent 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.

Product Features:

• 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"