The device you're looking at is called the Scanadu SCOUT and, basically, it's a medical tricorder that will give you precise vital information about any human being within seconds, just on contact.
Modern haunted houses don't feature rubber bats and bowls full of peeled grapes masquerading as eyeballs, they screw with your phobias and recreate nightmares. I thought that going through with a thermal cam would be less unnerving. Wrongo.
What do ninjas do? They climb walls, conduct missions in the dark, and fight pirates. So does ReconRobotics' Recon Scout Throwbot.