1.Overhead, sectional garage door 2.Electronic limit switch 3.Soft start&slow stop 4.Obstruction detection( ... Sectional Garage DoorSpeciaty: The Garage door opener has Electronic limit, Soft-start&Slow-close, Sensitive Reverse fuction, Automatic ... Closing function, Comprehensive interface.---Electronic limit:easy to set limit position and limit location can be accurated to mm.---Soft ...