Keep your firearms and valuables safe and dry with the Remington Mini Dehumidifier. The compact unit can go anywhere without wires or extension cords. Use it to prevent damage from moisture and mildew. Protects firearms from excessive moisture within a 333 cubic feet enclosure. Protects up to 60 days before recharging is necessary. Indicator window lets you know when to recharge; Recharges easily in only a few hours. Compact unit attracts and holds moisture through water crystal technology to protect gun safes and cabinets.