1. announce bus station name, advertisement and public message automatically.
2. the bus station information is easily to modify throught computer.
3. capable of storing 99 routes with 80 stops in each route.
4. support multi-language, such as: English, Arabic, Russian and other regional language.
5. for the buses running on the same line, bus station information can be copied to other buses from the one which already obtained the information by once practical driving.
6.voice volume is adjustable in 8 levels.
