|Qty of LED
A: Red/Yellow/Green Full ball Traffic Light,Arrow Red/Yello/Green Traffic light,Countdown timer, Pedestrian light, Red Cross and Green Arrow Traffic Light, Red Green Traffic Light with Countdown Timer, Solar Yellow Warning Traffic Light, Moveable Solar Traffic Light.
A: The Origin of the Green, Yellow, and Red Color Scheme for Traffic Lights. ... They chose red as the color for stop, it is thought, because red has for centuries been used to indicate danger. For the other colors, they chose white as the color for go and green as the color for caution.
A: first need know which kind road you will use traffic light（intersection/T road ）
What’s material of traffic light housing you need ？have Plastic type and Aluminium type
Which kind led chip of traffic light you will chose ? we use is high quality Epristar led chip
Which kind led driver you will use ? we usually use meanwell.
A: In the market usually is 1 years warranty, but zenith lighting can give 2 years.