Shape: optional for round, square, etc. Led Colors: optional red, yellow, green, blue, white; Working Type: stable lighting, random flashing, synchronous flashing, etc. Waterproof: IP68; Installation: Recessed in the road or surface mounting on the road; Working Temperature:-40ºC ~ +80ºC; Weight capacity: optional for 20t, 40t, etc. Housing: Die-cast aluminum or plastic; View Distance: more than 800 meters; Average Life of LEDs: 80,000 Hours