Matrix traffic signs are produced in compliance with European standard EN12966. They are used on city streets and open roads. Signs have possibility to show different pictograms and all pictograms are stored in the memory of the sign. The user can also create his own pictograms. Sign dimensions and matrix field color are also custom made, in line with customer’s demands. Available LED colors are white, yellow, red, green and blue. Single color matrix fields is mostly used for text information while two and full color matrix field usually shows traffic sign symbols. Signs can be controlled over communication channels or digital inputs. LED failure control. Possible brightness control: manual brightness control, brightness control according to actual day time using precise algorithm, brightness control according to external illumination measured by 1 or 2 light sensors and external brightness control. Communication: RS232, RS485, Ethernet, Wi-Fi or GPRS.