... flash, light off ect.3 Auto protection for overload, short circuit, green conflict. Auto monitor amber flash.4 44 Led indicators show working ... , 3 phases 12, 4 phases 15, custom 14, fixed 3(light off, all red and amber flash)).Remark: Except the fix ... wireless hand-controlled access.( optional) 2-16 phases,44 outputs led traffic signal controller