This treatment scheme is intended for those with established surface pressure sore or damaged current tissue or evaluated as low danger or at medium danger, even at very elevated danger of developing a pressure sore. By constant motion, it can provide great pressure to decrease. Clinically proven to be useful and appropriate for all healthcare environmentsHigh-quality ripple mattress type bubbleManual pressure adjustmentLow noiseConvenient hook (for bed hanging)Technical Specifications:Rated Voltage: 220VPower: 10VAOuter Air Presser: >= 14kpaOuter Flow: >= 5L/minWorking: ContinuouslySize: 200 (L) X 90 (W) X 9 (H) cm/6.5ft (L) X 3ft (W) X 3.5inch(H)