Tech parameter:        
1, Dimension: 900*275*40, 750*230*40, 565*195*40.  
2, Fluorescence strip: Super bright, 4 element chip.
3, Working voltage: +24V, Environment temperature: -55º C~75º C.
4, Max power: No more than 20W.        
5, Electronic guidepost have the capability to protect and forfend automaticilly for overvoltage.        
6, Viewing distance: More than 100m.        
7, Viewing angle: More than 60° .        
8, Adjustment: Turn the digital segment.
9, Lifetime: 100, 000hours.