Hardware Factory StoreTM 155L Digital Dehumidify Dry Cabinet Box -6 Shelf Camera & Lens anti-mold storage 25%-70% RH Range Large enough for multipe DSLRs and lenses High Accuracy +-3%RH Silent Operation with Ultra Thin (9mm) Hydrostat (patented technology) ONLY products purchased from Hardware Factory Store are covered with our warranty. If you have purchased non-original HFS products from other unauthorized sellers, please contact the seller for return or warranty issues.