Liftmaster 8500w residential door opener manual
LIFTMASTER model 8500w residential opener is a 3/4hps jackshaft drive. It is part of the elite series. This garage door opener has an dc motor on 110vac. A battery backup is included. The remotes are rolling code on MyQ. The rail is style is None.
The warranty on the garage door opener is Lifetime on the motor and 5 years on the remaining opener parts from LIFTMASTER.
The model 8500w is still available.