How much energy can a LightWizTM (AES) saves, what are their saving levels?

All LightWiz^TM AES give real kWh power energy savings, up to 40% for fluorescent lamps and up to 50% for HID lamps. There are four (04) selectable saving levels of Low, Mid, Hi and Max saving and no saving level.

How much energy can a LightWiz^TM (AES), what are their saving levels?