This is a Blu-Ray disc made for Blue-laser Format players which produce higher quality picture and sound.
Sean Connery and Nicolas Cage join f-rces to avert unspeakable carnage as The Rock explodes onto Blu-ray Disc! Co-starring Ed Harris, this "spectacular" (NBC-TV) thrill ride will rock your world in this astonishing format.
When a vengeful ex-general seizes control of Alcatraz Island and threatens to launch missiles loaded with deadly poison gas, only a young FBI chemical weapons expert and a notorious Federal prisoner have the skills to penetrate the impregnable fortress and take him down. Catch every instant of rapid-fire action in eye-popping 1080p, while the phenomenal 5.1 48kHz, 16-bit uncompressed audio puts you smack dab in the middle of the mayhem. Prepare to experience the awesome power of Blu-ray High Definition!