... %, 50Hz 3.IP65 PC housing LED Traffic Light for South America based on ultra-bright LEDs, offering significant energy saving ... slope glass surface effectively solve the problem of collectingdust 4. Shell material: aluminum or engineering PC with the characteristics ... 60Hz 3, Luminous intensity: 6000mcd/m² (pattern); 500cd (round lamp) 4, Chromaticity: red (618nm ~622nm), yellow (588nm ~592nm), green ( ...