Internet - Halloween is getting close and even inanimate objects are getting into the spooky mood, as TikTok user Sarah Watson's viral video shows.

"This is seriously the funniest s*** I have ever seen," she says in the clip, as she is standing in front of a paper towel dispenser in a public restroom. 

But this isn't just any old dispense – it carries a warning.

A handwritten note taped to it has a warning for everyone: "Careful!! I scream!" It also intriguingly features a drawing of a ghost.

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The mysterious sing makes sense as soon as Sarah pulls out a paper towels. The device begins to rattle as it prepares to eject the next sheet, and then comes the dramatic climax. 

The device makes a shrill noise that sounds just like a blood-curdling scream in a horror movie. Sarah can't stop laughing when she hears the screeching,

Fortunately, Sarah was warned in advance. The sign was probably made by some poor unsuspecting person who just wanted to dry their hands, but got a good pre-Halloween fright instead.

On TikTok, the video caused a lot of excitement. It has over one million views and most users think the scream is eerily human-like. They also found the video just as funny as Sarah did.

But some of the more sensitive commenters got spooked: "Why did I jump," one user asked.