Overview: Interesting and Frightening: You can test someone or friends if they are telling the truth in the game. Party Warming-up : If you are not telling the truth, you will be punished. A great warm-up game at a party. Easy to carry: Made of high quality ABS plastic, it is lightweight and durable, making it easy to be carried out. Good gift: The portable lie detector is a best choice as a gift for your friends, and the person who receives the gift will have a lot of fun. Specification: Specification: Material: ABS Plastic Size: 160x160x80mm/6.29x6.29x3.14Inches Color: Silver Power supply : 3xAAA Batteries(not included) Package Content : 1x Environmental friendly Lie Detector