This model features a one/2 horsepower motor that's ideal for lifting most single or double garage doors, and it employs a belt drive process, that is known for becoming quieter than the traditional chain drive devices. Among the list of standout capabilities with the Chamberlain Whisper Drive 1/two Hp Belt https://youtu.be/wSkWTAdm-Gg?si=pR5EXdjVuNYjtHN7