Lockdown Rechargeable Dehumidifier - Secure Your Firearm with Confidence Lockdown Rechargeable Dehumidifier is usable anywhere. Water glass crystals that absorb moisture, are odorless, non toxic and will not release moisture back into the air. The compact design fits nearly anywhere, protects up to 333 cubic feet. Indicator window shows when unit needs recharging. Includes charging cord and recharges in 12 hours. Color: Black Security: Lockable Entry: Compact Fireproof: 4.25 "H x 1.75" W x 5.87" L Dimensions: 4.25 "H x 1.75" W x 5.87" L Type: Rechargeable Firearm: No