CHAMBERLAIN model HD900CD residential opener is a 3/4hps belt drive. It is part of the value. This garage door opener has an dc motor on 110vac. A battery backup is not available. The remotes are rolling code on 315. The rail is style is Split Square.
The warranty on the garage door opener is Lifetime on the motor and 3 years on the remaining opener parts from CHAMBERLAIN.
The model HD900CD is discontinued.
CHAMBERLAIN model HD900CD residential opener owners manual and instructions in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
(5.90 MB in English) This requires Acrobat 10 or higher