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Model C77 protector system |
 Model C77 protector system.
Safety Beams sense an obstruction and stop the door closing before contact. We strongly recommend these for added safety.
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Model C840 Wireless keypad |
 Model C840 Wireless keypad.
Open your garage door without keys when you enter a private 4-digit security code. It mounts outside the garage and is only compatible with Merlin™ rolling code operators and receivers.
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Model C475 Battery back up system |
 Model C475 Battery back up system.
The Chamberlain Evercharge™ Battery Back Up System, available on the Merlin™ MR800, provides peace of mind to the home owner ensuring the garage door remains operational during power blackouts.
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Model C940 Single-button remote |
 Model C940 Single-button remote.
A standard 1-button remote control with rolling code technology. Directional visor clip and long-life 3V lithium battery are included.
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Model C943 Three-button remote |
 Model C943 Three-button remote.
A standard 3-button remote control with rolling code technology can control up to three different doors or gates. Directional visor clip and long-life 3V lithium battery are included.
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