Use as Alien Detector!!
If your friend/ acquaintance is something unusual, he might not be a human-being...!! Let him press both the center button and the button on the back by his forefinger and first finger for a couple of seconds.
Then, the detector starts analyzing if he's a human.
if detector beeps turning its light in multiple colors, that means he must not be a human-being but an undefined existence.
Search for UFO's around you!!
1: Push the center button anytime anywhere if you feel something weird or wanna check that you are safe and free from UFO's.
2: Plus, it searches UFO Every once in a while as long as it's power is on in order to make sure your place is safe.