1. Detector is a really fun toy to play with your friends, especially for truth party game. 2. The polygraph has two kinds of punishment functions: Electric Shock or Vibration. 3. Put tester's fingers on the sensing slots of the lie detector, it will punish the liar when his heartbeat speeds up. 4. It supports six players to play at the same time. 5. Made of high quality plastic material, durable in use. 6. Powered by 3 x AA batteries (Not included), easy to use. Specification: Condition: 100% Brand New Material: Plastic + Electronic Components Color: As Pictures Shown Power Supply: 3 * AA Batteries (Not included) Package List: 1 * Lie Detector 1 * English/Chinese Manual