| 摘要 |
A point of sale advertising device that includes a display mechanism with a first screen and a second screen and the screens are facing in substantially different directions. The device also includes a display controller in communication with the screens, the display controller adapted to receive a price message and a timing instruction, to store the price message and timing instruction, and to transfer the price message to the first screen and second screen for display on the first screen and the second screen for a time period indicated by the stored timing instruction. The device also includes a price control switch in communication with the display controller, the price control switch being adapted to be actuated manually, and when actuated, prevents the price message from being displayed on the first screen and the second screen.
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