Feature 1Lie Detector is a really fun toy to play with your friends, especially for truth party game. 2The polygraph has two kinds of punishment functions: Electric Shock or Vibration. 3Put tester's fingers on the sensing slots of the lie detector, the liar will be punished when his heartbeat speeds up. 4Made of high quality ABS material, durable in use. 5Powered by 3 x AA batteries (Not included), easy to use. Features: Lie Detector is a really fun toy to play with your friends, especially for truth party game. The polygraph has two kinds of punishment functions: Electric Shock or Vibration. Put tester's fingers on the sensing slots of the lie detector, it will punish the liar when his heartbeat speeds up. Made of high quality ABS material, durable in use. Powered by 3 x AA batteries (Not included), easy to use. Specification: Condition: Brand New Power Supply: 3 x AA batteries (Not included) Product Size: 16*8cm / 6.3*3.1in Package Weight: 316g (approx.) Package List: 1 * Lie Detector Note: 1. The current generated by thisproduct is harmless to human. 2. Do not use in patients who stronglyrespondto electric shock. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }