Abstract: A display device (9) for the in-situ analysis of a sales area (2), wherein the sales area (2) is monitored by means of an analysis device (7), the analysis device (7) is designed to analyse customer behaviour in the sales area (2) and provide same as analysis data, the display device (9) can be carried in the sales area (2) by a user (8), and comprising a position determination module (11) for determining an analysis position, wherein the analysis position forms a section of the sales area (2) and comprises surroundings of the display device (9). The inventions further comprises a data interface (10) for data coupling to the analysis device (7) and for receiving the analysis data, a display (4) for displaying display data, and a data generation module (13) which is designed to generate the display data for the analysis position, the display data comprising a subset of the analysis data.