... 3, working tempreture: -25 degree to 50 degree 1 , new design ,good quality and generous color2, LED screen , show car port ... , Personalized voice promot .5, good stablity , simpleness operation .1 , new design ,good quality and generous color2, LED screen , show car port ... !4, Personalized voice promot .5, good stablity , simpleness operation . parking system