The utility model discloses a display device for trade mark, including display device body, base and sucking disc, the base is installed to display device body downside, the base front surface is provided with the heat dissipation muscle, the inside battery that is provided with of base, display device body and base both sides bond has the protection to fill up, display device body front surface is provided with touch display screen, loudspeaker, control panel, printing device port and recess, install mobile phone charging port in the recess, display device body both sides demountable installation has the scintillation warning light, the welding of display device body upside has dash board, the dash board upside is provided with solar cell panel, the light is installed to the dash board downside. The utility model discloses a make a video recording head position inside the protection casing, can be fine be used for the control to avoid this equipment of artificial distruction, the protection is filled up to the rubber protection pad, and collision avoidance that can be fine damages this equipment.