In the process of tunnel lighting, according to the amount of traffic flow in the tunnel, the brightness inside and outside the tunnel can be adjusted to effectively ensure the lighting quality in the tunnel and the driving safety of the personnel in the tunnel; it can also effectively reduce the excessive waste of lighting, which is conducive to environmental protection and realize the safety and energy saving in the tunnel.
Contacts：Manager Huang 
Telephone：18013307273 
mailbox：18013307273@163.com
