Replaceable LED light source for an LED traffic signal application
REPLACEABLE LED LIGHT SOURCE FOR AN LED TRAFFIC SIGNAL APPLICATION
REPLACEABLE LED LIGHT SOURCE FOR AN LED TRAFFIC SIGNAL APPLICATION
Luminaire for crosswalk, method for making, and method for controlling
LUMINAIRE FOR CROSSWALK, METHOD FOR MAKING, AND METHOD FOR CONTROLLING
Intelligent liftable traffic signal lamp and use method thereof
Quick-release mechanism for a modular LED light engine