Director Nico Mastorakis had a moderately posh budget for once and was able to give this little techno thriller a nice glossy look, plus he proved somewhat prophetic when a few of his ideas regarding the central gimmick - a radar-like device that allows a blind person to 'see' via reflected sound - actually appeared in medical devices within a few years. Mastorakis, as usual, shows a good photographic eye for interesting backdrops, found objects, cityscapes etc. often from oddly skewed angles.
Moreover, the movie is an underground legend among video geeks who pursue gratuitous nudity by female TV stars. Marina Sirtis has a brief but memorable topless appearance as a hooker and Kirstie Alley features in her only nude sex scene. Infamous murder victim Lana Clarkson co- stars as the object of a stalker.
Beyond such prurient considerations, however, there is not a whole lot here that we didn't see fairly often in any 80s thriller. There are fights, car chases and foot pursuits (with the admittedly novel twist that one participant is a technologically augmented blind person). This was familiar stuff then and has gained no new freshness with age.