Based on the principle of low alternating pressure, DualPlus uses the IPS (Intelligent Pressure Sensing) technology that provides automatic and continuous monitoring of the operating pressures interactively, according to different masses and morphologies of patients and their body movements. CAPACITY / RANGE Lifting capacity (kg): 220. OVERALL DIMENSIONS Height (cm): 21.50. Length (cm): 200. Width (cm): 82.90.