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1. Electronic limit switches
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2. Automatic safety reverse
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3. Manual release in case of power failure
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4. Chain drive , belt drive, low noise
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5. Power to lift the heaviest residential door.
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6. Provides light for safe entry into the garage and to control lights from inside of garage and car
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7. Provides a smoother operation and results in less wear and tear on the door, extending its life
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8. Backup battery function (optional)
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9. For security, rolling code format changes entry code each time remote is used
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10. LCD console to operate the garage door opener, shows time
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