war·ran·ty 
/ˈworənti/ noun
plural war·ran·ties /ˈworənti/ noun [count] : a written statement that promises the good condition of a product and states that the maker is responsible for repairing or replacing the product usually for a certain period of time after its purchase
▪ The stereo came with a three-year warranty.
▪ The stereo came with a three-year warranty.
