Model Number: KT-2368-#8360 Brand Name: KILTER Key Specifications/Special Features: Display negative ion concentrationNegative ion density up to 3 x 106 ions/ccLow noise fan reach quietStrong ability to remove the dust and bacteria in the airSpecial UVC germ killing with photo catalytic oxidation filter functionPre-filter, HEPA, activated carbon filter and electrostatic precipitatorSafety ozone level, below 40ppbHighly effective plasma air purifying technology eliminates and decomposes almost all air pollutants24 hours continuous work with very low power consumptionPower supply: 220V or 110V AC, 50Hz