Reference:i/p:(ac180v~240v 50/60hz)(ac100~130v 50/60hz)(dc3v~27v)o/p: (ac180~240v 50/60hz -2.5~4.5kv d.c)(100~130v 50/60hz -3.8kv)(dc3~27v -3.8kv)Anion density: ac230v, ac110v,dc12v>3000000pcs/ccOzone density:Resistant: earth husk >=40m (500v dc)Electric resistance: earth husk ac3750v 50hz 5ma 3s, no breakdownRated power:Input current: ac100v~240vFalling test: you may lay it form the place above the ground about 200cm and letIt fall itself on the broad of the ground, then you can find it still may work usualCertificate: TUV, CE, CQC , SGS, UL, CULBe suitable for air-condition, air purifier, pure and fresh machine, computer (LCD,CRT), oxygen bar, the desk lamp adds wet machine, dehumidifier, ash tray, hairDrier, a wind section of thick bamboo, boards for pressing something or holdingThings together, dim fan, dim ware is taken to the Buddhist pagoda fan, machineChest, pet house, pincers are sent out to dust catcher, tuck comb, ozone machineRemoves gustatory organ, refrigerator, refrigerator-freezer, clothes dryer, dryShoes machine, hair dryer, tower fan, cooler fan, electromagnetic oven and household electrical appliances such as lampblack machine