2-16 phases,44 channels independent output multi control modes communicate ... Communication:9600BPS.6.Clock accuracy<1S.1 16 phases,44 channels of independent output with a maximum operation current ... amber flash.4 44 Led indicators show working state of each traffic lights .5 With thunder-protection.6 With EMI ... hand-controlled access.( optional) 2-16 phases,44 outputs led traffic signal controller