Clearly display substitutions and added time with this ultra-visible professional electronic football substitution board. Available in single or double-sided variations, the sub board is capable of storing up to 6 pre-programmed substitutions at any time, enhancing the speed of operation by allowing match officials to alter the LED display with a single press of a button. Designed with high brightness LED, the extremely visible football substitution board exhibits the shirt number of a departing player in red, and that of the substitute in green.