The device is composed of two mobile foldable trolleys with traffic lights, it is mainly used in working zones in urban or suburban areas.
Out of the city center the device can be preceded by the warning signal "traffic light" with yellow flashing light.
Practical to use, the foldable model can guarantee a reduced size during the carrying phases. The LED lenses guarantee high brightness with low consumption and allows to use one battery of 100 Ah.
The light is automatically regulated in order to improve the visibility during the night. New wheels and adjustable pole that give to the device a greater strength.