Led traffic light count down

https://www.sisas.it/categoria-prodotto/temporary-

The device is composed of two mobile foldable trolleys with traffic lights, it is mainly used in working zones in urban or suburban areas. The Count Down counts the remaining seconds to change the sequence from red to green and vice-versa. Strengths: 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 vis