الوصف

1. There are more options for the channels. ***4 roads available.
2.On-line adjustment, check and setup.
3.Yellow flash time at night can be set freely.
4. Can access to the emergency state at any time.
5.*4 menus option. 4 fixed and *0 programmable operating menus. *9 step for each programmable menu and ****5 second for each step.
6. Auto power trip protection and the operation parameters can be stored for up to ten years.
7.Equipped with upgrading board and RS***2 ports, to realize the connection to the central computer and the auto checking of the traffic flow.