Mighty Mule PRO-SW3000XL Automatic Gate Opener for Swing Gate up to 16-Foot and 650-Pound Extended Cycle Life - Enhanced motor design makes this operator ideal for today's single family estates, housing complexes of up to 20 multi-family units or equivalent commercial applications. Features GTO/Access Systems' true soft start and stop operation. Open and close times from 15 seconds. Full systems capable, single/dual control board includes an adjustable obstruction sensing, gate sequencing and auto close settings. Dual applications require the 2nd operator arm PRO-SW3200XL