.Hospital Bed Air Mattress - Bubble Pad Mattress With Electric Air Pump Features: - Medical Grade Bubble Pad Air Mattress - Breathable Air Channels for Maximum Back Comfort - Easy Set-Up: Automatic Air Pump for Inflating and Deflating - Micro Air Holes Prevents Bed Sores, Diffuse Sweat and Back Pressure - Lightweight, Portable and Easy-to-Store Whatâs in the Box: - Air Mattress - Electric Air Pump - Puncture Repair Kit - Power Cord Technical Specs: - Pressure Range: 70-130mmHg - Air Output: 6-7 Litres/min - Cycle Time: 6 min - Mattress Maximum Support Weight: 330 lbs.