1.covering material: PC or aluminum

2.Light source:super brightness LED

3.Emitting surface diameter:200mm, 300mm, 400mm

4. Installation form:horizontal or vertical

5.Color:red(620-625)/ yellow(590-595)/green(504-508)

6.Working power:187V-253V 50Hz

7.Rated power:Φ300mm≦10W   Φ400mm≦20W

8.Life span:﹥50000 hours

9.Working temperature: -40℃~+70 ℃

10.Protection class: IP54

11.Application: crossroads, airport, accident prone segment,railway