The Alpha Communications® DO-304 surface electric door opener is a low cost rim type door opener that is designed to be used primarily onto wooden or metal door frames.
The DO-304 can be used in right-handed or left-handed installations, simply by turning the door opener upside down, during installation.
NOTE: Many options are available for the DO-304 door opener, including different voltages (AC and DC), different finishes, availability of continuous duty activation, fail-safe operation, etc.
Alpha Communications® carries a complete selection of electric door openers for virtually any application. Please contact our sales dept. for more detailed information.