Liftmaster CSW200501U &frac12; HP AC High Traffic Commercial Swing Gate Operator 1/2 HP Rated for gates up to 18 feet in length and 1,600 lbs. 1 HP Rated for gates up to 22 feet in length and 2,000 lbs. Access your property quickly with Security+2.0 Technology that utilizes a tri-band signal that virtually eliminates interference and offers extended range each time the remote control is used. Get the MyQ mobile app for free. No annual activation fee required. Requires 828LM MyQ Internet Gateway to connect to MyQ Smartphone App. Confidently know what's going on at home with MyQ Technology. It lets you monitor and control your Gate Operator and lighting from anywhere (when paired with the LiftMaster Internet Gateway). LiftMaster has designed its own purpose built P3 motor to meet the exact requirements needed to open and close your gate. Heavy-duty commercial gear driven transmission provides unsurpassed reliability.