詳細規格及用途描述

Viewing distance: readable in 1-2 km in the daytime, 300m when opening

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.