It is not real 4K in any material way due to having a final master at 2K. Studios have upscaled the 2K image to 4K and retouched the content for your 4K UHD TV. You should see some visual improvement over a standard 1080p Blu-ray. Check the information below to see if the studios have upgraded the video with HDR or added immersive Dolby Atmos or DTS:X audio tracks.
In the taut thriller The Shallows, when Nancy is surfing on a secluded beach, she finds herself on the feeding ground of a great white shark. Though she is stranded only 200 yards from shore, survival proves to be the ultimate test of wills, requiring all of Nancy's ingenuity, resourcefulness, and fortitude. The Shallows Ultra HD