You followed a link on oculus.com that redirects to another website:
https://www.amazon.co.uk/Oculus-301-00204-01-Rift/dp/B00ZFOGHRG/ref=sr_1_3?ie=UTF8%3Fqid%3D1471281132%3Fsr%3D8-3%3Fkeywords%3Doculus+riftWe're just checking that you want to follow this link — you can now continue to that website or go back to the home page.