We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it's non-workdays, please kindly be patient and wait till Monday.This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Garage Doors & Openers\Opener Systems". The seller is "columbiadream" and is located in this country: US. This item can be shipped to United States.