Dedicated to innovating the access control industry by manufacturing quality products that reflect our attention to detail.The Viking Access Systems L-3 gate operators simple set-up and troubleshooting takes the confusion out of installation and maintenance. This operator is compatible with accessories such as loop detectors radio receivers and safety devices such as edge sensors or photoelectric eyes and three push button stations. It is equipped for expansions such as magnetic locks or similar entry devices. It is also equipped with a built in audio alarm and visual indicators for each accessory. This operator includes a built-in three push button station soft-start soft-stop with adaptive learn algorithm on-board lightning protection high effieciency power supply adjustable overlap timer control adjustable timer for auto close regulated short circuit protected power supply built in battery backup aluminum chassis easily accessed switch for manual operation easy access to limit switch UV stabilized high quality polyethylenecover and convenient plug-in connectors for accessories. Call For 3- Part Specs