The invention relates to a cleaning robot (100) for a basin, said robot comprising a frame (102) mounted on moving means (104), a shell (106) fixed on the pool. frame (102) and a floating arm (108) mounted to be movable in rotation on the hull (106) about an axis of rotation (110), said robot cleaner (100) being characterized in that the floating arm (108) has an upper face (114) oriented upwards and at least one luminous element (112) located on the upper face (114). Fig. 1
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