DUAL-TIER: Removable double-layer racks for easy storage. Lower rack holds up to 9 standard bottles. Upper rack can be used for nipples, toys, teethers, pacifiers, etc. STAINLESS STEEL: interior and racks constructed of 304 stainless steel HOT AIR AUXILIARY DRYING: Uses hot air as drying function. TEMPERED GLASS DOOR: Heat resistant glass door, safe and secure. MICRO-COMPUTER TOUCH: 3-step timer (15 min / 30 min / 60 min) SAFETY DOOR SENSOR: Automatically shuts off when opened. SAFETY PROTECTION: Overheat protection HYGENIC DESIGN: Air tight door seal keeps out dust, insects and pests. LOW ENERGY CONSUMPTION ETL