Left & Right Turn (0-40˚) , Rotation time can be set. Three setting of turning:Turn left,turn right, turn left and right/ 3-1 alternating, more comfortable. Three mode selections: static mode, alternating mode, pulsation mode. Two-stage sitting detection to prevent the patient from sit-up in the turning mode and falling from bed. Digital LCD displays cycle time and warning messages. Water proof TPU tube and PU cover.