Awesome sound effect what can I say this movi just make feared for full night that is another thing that I love to wach out horror movies but this one too much.the first part of this movi is also supeb peoples did really good work in this movi.this movie is directed by james wan and it is just speechless when u will watch this movi in your front.you can not open your mouth and as I know this movi is based on real story that was happend with a family . this is a movie which makes you completely feared this is what horrified.