PowerLift 1/2 HP Screw Drive Garage Door Opener
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How much does this model cost? Sku: 37411T
For price, please visit The Home Depot site.
Does it matter which side the red and green sensors are installed
No, it does not matter.
I want to buy this model but I need it shipped.
This model is available at The Home Depot, when you purchase it at Homedepot.com it can be shipped to you.
If the door is open and up, and someone walks through the sensor lights, should the main lights go on automatically?
No, they will not.
can battery back up be added to this model?
No, it cannot.