Display unit: super bright LED

Color: black background

power supply: AC220±10%

output mode:

　　A. controlled by the controller

manufactured by our company

　　B、controlled by the traffic

controlling machine

　　C、directly controlled by AC220

Suitable for highway toll stations, bridges, tunnels, etc. to indicate the driveway condition. It can supply 24-hour service, submergible, dustproof and resistant to high or low temperature.