This opener has a T-style trolley and is designed for industrial applications. The MyQ technology is available through a free download, and there are many additional performance features. It has dual voltage connections for increased flexibility, a control function selector dial, high-starting torque motor, adjustable friction clutch and much more. There is a maximum run timer to reverse or stop the door if the closing time exceeds the expected time frame, limiting damage to the door. There are several other features available as well, and this model has a two-year warranty.