SPAD-1500 Wireless Rechargeable Dehumidifier for Stack-On Long-Gun Safes PLUS Humidity Gauge NON-TOXIC, SAFE FOR KIDS AND PETS - Perfect for safes and security cabinets to monitor and control moisture level PREVENT MOLD AND MOISTURE DAMAGE - Keep your contents safe from damage from mousture CORDLESS and RECHARGEABLE - Absorbs excess moisture without batteries, rechargeable LONG-LASTING - Pulls moisture from 100 cubic feet and lasts up to 6 weeks without recharging HUMIDITY THERMOMETER and BONUS "Gun Safe Care Tips" Included-thermometer with humidity gauge