Package Includes: 1 x Micro Electric Shock Lie Detector. Place your hand onto the hand plate of the shocking liar, press the "Reset" button and keep your hand still, then press the "Analyzer" button. The machine will monitor the person's vital statistics, to be used as a point of comparison during questioning.If you tell the truth, no shocking and you can move out your hand safely. But if you tell a lie, you will be shocked by electric. Totally 5 LED lights of 3 green and 2 red ones. The lie you say bigger, more lights on. When all 5 lights on, you will be punished heavily by electric shock or vibrate . The portable lie detector is a table top device Toys for your friends ,Fool's Day Party , Prank gifts ,Halloween Prank, Christmas gift .This is a good choiceA best choice as a gift for your friends WARM REMINDER: This is not a professional polygraph tool, so there is no accuracy of a polygraph, but it is still a very fun and great toy to play with friends and family!