ARJ medical air-low pressure mattress with pump sets  Mattress -Max user weight : 463lbsCPR, Pillow function, Cell on Cell, or Cell in CellMade of : Nylon TPU cell, Stretch Nylon PU cover Compressor Pump -Model : P06bPower Supply : 110v/60Hz; 220V/50HzAir Otput : 7-14 liter/minSize : 13.58in (L) x 4.53 (W) x 7.28in (H)Weight : 5.62lbs