GENIE model ISL residential opener is a 1/2hp screw drive. It is part of the value. This garage door opener has an ac motor on 110vac. A battery backup is not available. The remotes are rolling code on Intellicode. The rail is style is Split Screw.
The warranty on the garage door opener is Lifetime on the motor and 3 years on the remaining opener parts from GENIE.
The model ISL is still available.
GENIE model ISL residential opener owners manual and instructions in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
genie_isl_om.pdf
(0.99 MB in English) This requires Acrobat 10 or higher