5G-based traffic big data management method and system
24 WATER SURFACE DRONE THAT CAN BE OPERATED FOR 24 HOURS
A BLACK BOX EQUIPPED WITH AN AUXILLARY LED FLASH FOR VEHICLES
ACCIDENT DATA RECORDER AND METHOD FOR GENERATING ACCIDENT INFORMATION THEREOF
ACCIDENT DATA RECORDER AND METHOD FOR GENERATING ACCIDENT INFORMATION THEREOF
A charging system that can manage the environment at the construction site
Acquisition early warning and automatic start-stop device of highway ETC detection vehicle