Residential garage door opener models 8550W Elite Series® Motor: DC Place mounted: On ceiling Type: Belt Power: ¾ HP Voltage: 120V, 60Hz More details 8355W Premium series Motor: AC Place mounted: On ceiling Type: Belt Power: ½ HP Voltage: 120V, 60Hz More details 8500W Elite Series® Motor: DC Place mounted: On wall Voltage: 120V, 60Hz More details 8500C Elite Series® Motor: DC Place mounted: On wall Voltage: 120V, 60Hz More details 8365W Premium series Motor: AC Place mounted: On ceiling Type: Chain Power: ½ HP Voltage: 120V, 60Hz More details 8165W Contractor series Motor: AC Place mounted: On ceiling Type: Chain Power: ½ HP Voltage: 120V, 60Hz More details You don’t know which door opener to choose? Check out What to know about garage door opener models