Una mujer atrapada (Lady in a Cage)

[murphywmm]

It's a BD-R according to the back cover picture on Amazon.es. When it comes to Spanish releases, that almost always means it's a bootleg. The only good quality Spanish bootlegs are the ones ripped from existing discs (such as those from Twilight Time). Since there is no other BD release of this film, I can only guess it's either: SD upscale or sourced from a HDTV presentation.