The air mattress is made up of medical-grade PVC and has a variable pressure dial. Power Consumption: Low, Noise level: low, Power Supply: 220 volts/50 Hz, Air output: 5-7 litres/min, pressure range: 50 mmHg–120 mmHg, cycle time: 12 min, power consumption: 7 watts, Mattress weight: 2 kg; weight capacity: 120–130 kg.