Solar traffic light is used for road traffic sign, which is powered by solar power system. 1)dimension(mm):600*600; 2)solar panel:8Wp; 3)battery: maintenance-free lead acid battery12V17Ah; 4)controller: solar intelligent controller; 5)material:steel; 6)Flashing frequency:45-60times/min; 7)wind load:60km/h; 8)work time:24hours; 9)environment temperature: -20°C~+60°C.Please contact us for more ...