LED variable speed limit sign

Overview:

LED variable speed limit signs are widely used in national highway,expressways,city streets,etc,

can be changed at any time to display the speed limit values according to the actual situation, to remind the driver driving speed, 
thereby effectively guide traffic,promote traffic safety and improve road network transport capacity.
WELL LED variable speed limit signs can be adjust the screen brightness automatically,adopt IP67 protection grade design,
could display red,yellow,white three option colors.

And cabinet dimensions and screen specificantions could be customized accrding to customer,s demand(eg,a variety of digital hybri,a combination of numbers and symbols)

Advantages:

Parameter:

Technical  Parameters
Product size	customized
cabinet material	Aluminum or iron
load	EN 12899-1:2007
Flexure	EN 12899-1:2007
Impact force	passed
vibratory force	passed
passive satety	EN12767
Brightness	≥8500cd/m2
color	red/yellow/white/green
Visual angle	≤30○
homogeneity	Uniformity
Visible flashing rate	≥90Hz
Working environment temperature	-25~50℃
Working environment humidity	RH 10%~90%
Display working voltage	110V/220V
Control system	RS232  RS485
Lifespan  HOURS 100000	100000  HOURS
IP rating	IP65