配3030/2835/3535/5050多合一路灯（根据灯的功率颗数不一样。）根据不同的车道要求角度不一样，国标，欧标，有偏光.

1: The street light spot is rectangular, so there are two data we need to classify: the angle range in the length direction of the light spot, and the angle range in the width direction of the light spot.

2: Take the angle range in the width direction of the spot as an example, how do Americans classify it? Answer: TYPE1, TYPE2, TYPE3, TYPE4, TYPE5...:

3: TYPE1 light spot has the narrowest width direction, so it is suitable for hiking trails, pedestrian streets, residential boulevards..... TYPE2 light spot width is suitable: two-way 4 car lights at a pole height of 10 meters, or 6 vehicles in two directions at a pole height of 12 meters Lights..... TYPE3 spot width is suitable for: two-way 6-8 lanes at a pole height of 10 meters, or two-way 10-12 lanes at a pole height of 12 meters... TYPE4 spot width is suitable for: football fields, parking lots, etc., from all around Illuminate to the middle of the court! ….. TYPE5 has the largest angle range in the width direction of the beam spot, usually with a spot width above 140 degrees...