Feature:1. Miniature electric shock polygraph toy, perfect for Halloween, carnival, birthday parties, etc.2. Electric shock and finger bite 2 modes, suitable for multiplayer games, a good party supplies.3. When game starts, the lights of polygraph will flicker, and the intense music makes the whole playing ambient more exciting.4. Desktop tricky toy, with smooth teeth and is not easy to hurt your hands, so you can use it with confidence.5. With 4 powerful suction cups at the bottom, which can suck the tabletop tightly to it from falling.Spec:Item Type: PolygraphMaterial: ABS + Electronic ComponentsColor: GrayApplicable Age: Over 14 Years OldBattery: 3 x AA Battery (Battery Not Included)Voltage: 1.5VWeight: Approx. 653g / 23ozSize: Approx. 24x24x10cm / 9.4x9.4x3.9inHow to Use1. Open the battery slot on the back, load 3 AA batteries (excluding), and turn on the switch2. Put your hand inside the lie detector and make sure that each finger can touch the sensor3. Press the button and there will be a sound indicating which mode you are in, electric current/gnashing sound4. Press the start button, the polygraph goes into prepare mode, and press the polygraph again to begin the polygraph5. Every time you answer a question, the polygraph measures your answer's lying index. When the red light goes on, the lie detector lets out a scream and you can feel a shock or a gust of intense finger bitingPackage List:1 x Polygraph (Battery Not Included)1 x ManualNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.