Feature: 1. With light and sound effect, interactive entertainment and vintage style. Has 2 punishment modes: electric current and finger bite. 2. When your lying index reaches a certain level and is detected, you will be punished by the mouth of truth. 3. Put your hand in your mouth, press the reset button, then hold your hand still and press the "Analyzer" button. Every time you press the analyzer button, it will detect your level of lying. 4. Not a professional lie detector tool, so it's not 100% accurate, but it's still a fun and nice toy to play with family and friends. 5. Powered by 3pcs AA battery (not included), suitable for adult playing, suitable for party playing and friends gathering. Specification: Item Type: Lie Detector Toy Material: Plastic Suitable Age: Adult Size: Approx. 24 x 10 x 24cm / 9.4 x 3.9 x 9.4in Modes: Two modes of electric current and finger bite Battery: 3pcs AA batteries are required (Not included) Note: Do not play if you have a heart disease, please keep it out of reaches of children.This product gives an electric shock.It could interfere with electronic devices such as pacemakers. Do not use it if you suffer from epilepsy or other similar conditions. Not suitable for pregnant women To use: Put your hand in your mouth, press the reset button, then hold your hand still, press the "Analyzer" button. Feel free to ask questions.Be sure to press the Analyzer button after each question.Then, every time you press the analyzer button, it will detect your level of lying. Package List: 1 x Lie Detector Toy1 x Manual