No need the infrared sense the obstacle before action.
During driving, the“Synchro moving gradienter equipment” will adjust your barycenter level to the ground. You won’t feel shamble. It will offer you an ease, free action to span the stair.
2. Max obstacle span ability: obstacle: max 150mm in height
Step: height: <110mm
Width:>150mm
Angle<25°
Slope: max to 45°