advantage： - Clear the lungs of excess mucus - Reduce the risk of respiratory infections - Intuitive operation on big size touch screen - Pneumatic soft impact without body injuries - One-press stop function by remote control - Internal medical/ surgical patients suitable - Customized vests for all patients - Reusable and disposable vests available Treatment Modes：4: regular, loop, gradient, custom Pressure Range：3-30mmHg Frequency Range：1-20Hz Session time：1-99min Display：8-inch color LCD touch screen