Up to 2 years of Apple-certified service and support coverage
  Priority access to technical support.

AppleCare Protection Plan for Apple TV

Every Apple TV comes with a one-year limited warranty and 90 days of complimentary technical support.1 With the AppleCare Protection Plan, you can extend your coverage to two years from your Apple TV purchase date. You’ll get direct, one-stop access to Apple’s award-winning telephone technical support for questions about tvOS, iCloud, AirPlay, and more. And you’ll also get global repair coverage for your Apple products through convenient service options.
AppleCare for Apple TVs can be purchased up to 12 months after the date of your Apple TV purchase.