iSmartgate garage door openers come with a warranty of up to one year. This warranty covers mechanical and electrical defects. Your warranty begins on the date you purchase your device. However, in a situation when you lose your original proof of purchase, Gogogate INC.will determine the eligibility of your warranty using the device's manufacturing date. You can transfer the device's warranty to future owners, but the period will not be extended. Read more about the warranty here.