
Garage door openers 1/2 horse power belt drive quietlift 800 Provides powerful, reliable performance with quiet operation for those who desire a longlasting and easy to install belt drive garage door opener; Powerful Performance: 1/2 HP DC motor operates residential sectional garage doors up to 7 feet in height and up to 500 lbs. in weight; Safety: Comprehensive SafeTBeam system meets or exceeds all UL, state, federal and CSA regulations and incorporates an auto reversing system that stops and reverses a closing door if anything passes through the beam.