Compressor Characteristics :Power Supply 220 volts/50Hz Air output : 5-7 Liter/min Pressure Range :50mmHg-120 mmHg Cycle time 12 min Power consumption 7W, Fuse:1A Mattress Characteristics Inflated Size 186X80X75 cm Air Cells 24 non Bottom Tarpaulin Mattress weight 3.5-4 kg Weight capacity: 120-130 kg Material Nylon Design Pattern : Tubular.