1. Can save 999 bus routes for several LED displays( front, side, read and the internal). To update the bus route, you just need to save it to a USB then insert the USB to the USB slot, the device will download it automatically. 2. Can save several routes which can be switched 3. Bring with a LCD screen to show stop name and time, etc 4. Voltage: 8-40V 5. Supporting several language 6. Features simpleness, utility and stability
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