Abstract: The present disclosure relates to the field of smoking tobacco. In particular, the present disclosure relates to smoking substitute systems and particularly, although not exclusively, to a heat-not-burn (HNB) smoking substitute system. Further in particular, the present disclosure relates to a smoking substitute system having at least two different modes of operation. The present disclosure also relates to an improved housing design. The present disclosure further relates to a smoking substitute device with an improved housing design. The present disclosure yet further relates to smoking substitute systems having at least two independent display elements.