E8 400MM Package Set Stainless Automatic Gate Opener for Gates up to 13 Feet Long and 600 Pounds for Single Swing Gate 400MM Stroke Stainless Steel Automatic Gate Opener with wired Keypad and IR Beam Package for Single Swing Gate Single Gate Opener opens 1 leaf up to 13 feet/600 lbs total Screw Driven Type System for reliabilty and manual release keys AC/DC with Battery Backup for Power Outages and Solar Compatible Brand New with 1 Year Manufacturer Warranty