4 HP equivalent motor of 120 V AC attached to run a chain driven sliding gate opener. The motor provides exceptional torque and continuous flaw of operation. Motor withstand load up to 5700 lbs and up to 40 ft In length, 20 feet racks are included (6 pcs Gear Racks, 3.3 Ft each, total: 20 Ft); if your gates more 20 ft in length just purchase an extra racks in "Gear Racks" section.

• Easy to install
• Midway mode
• Get the desired chain tension by adjusting the chain bolts
• Reliable rolling code technology
• Emergency release key in case of power failure
• Stop/Reverse in case of obstruction during gate closing
• Built in adjustable auto-close (0, 30, 60, 90 seconds)
• Built in max. 90 seconds Motor running time (MRT) for multiple safety protection
• Reliable electromagnetism limit for easy adjustment
• Optional accessories