Adjustable autoclose and relay outputs are two of the attractive features that are part of the GTO GP4231 Drive Board for GP Series Gate Opener available at North Shore Commercial Door. The logic control board is microcontroller-based and includes independent obstruction settings, diagnostic LEDs and audible alarms. Its accessory terminals are compatible with photo beams, loop detectors, push buttons, edge sensors, exit wands and card readers. Jog buttons and on-board open and close buttons are also included on the GTO GP4231. North Shore Commercial Door will ship this drive board within 24 hours of your order any business day.