This system can give early warning to the driver in the highway that there will be a vehicle intersection in front,please slow down or choose lane change in advance

This system can give early warning to the vehicle about to cross the bend there will be vehicle intersection please slow down

This system can gives early warning to notice the minor road vehicle to yield the major road vehicle

This system can warn drivers that the ahead water level has exceeded the standard water level,please do not enter

This system can warn drivers that your vehicle has exceeded the standard height,please choose to change lane in advance