Sleeping platform height adjustment: 460-750mm(without mattress) Back section adjustable from 0º to 75º Knee section adjustable from 0º to 40º Trendelenburg from 0º to 12º Reverse-Trendelenburg from 0º to 12º Auto-counter function Auto-regress function Manual CPR release bottom accessible on both sides One button cardiac chair position function Nurse lock function Battery backup function