Looks like it's on Amazon. $4 rental (US):
https://www.amazon.com/Deadsight-Adam-Seybold/dp/B07T2R6XVK/ref=sr_1_1?crid=35HEBOC6524P3&dchild=1&keywords=dead+sight&qid=1585625834&s=instant-video&sprefix=Dead+sight%2Cinstant-video%2C154&sr=1-1