The air pump for this Dr. Odin air mattress provides sequential inflation and deflation of the air cells throughout the mattress, forming an air channel in the mattress to redistribute pressure. The air pump operates quietly, is vibration-free and energy-efficient. This Air Mattress can be placed over the top of an existing mattress. It is lightweight, portable, and easy for transportation. It is ideal for use in home health care or nursing homes. Features: PVC material Low noise Adjustable pressure Electric shock protection Air-tight pressure valve Low power consumption Portable & handy Care: Keep the electric pump on for 23 hours and keep it off for 1 hour Don't use the mattress near an open flame or near a heater Don't smoke near the air mattress Keep sharp objects away from the mattress Low noise & low vibrations Knob to adjust the pressure Easy to fit on a bed frame Recommended for bed ridden patients Additional Info: Model number: OD02 Warranty: 24 months Dimensions: 240 x 100 x 6.5 cms Weight: 2500gms Includes: Air pump, Air mattress, User manual, Repair kit Air Output: 6-7 Minutes Material: PVC Maximum User Weight: 130KGs Pressure Range: 70-130 mmHG Power Supply: 220-240 V/50HZ