Amazing Shock Roulette Party Game: This shock roulette is amazing and is very suitable for friends gathering, especially for home and bar party games such as truth or dare. The soundtrack and the twinkling lights of the finger shocking roulette livens up the atmosphere, allowing you to spend an exciting game night. High-quality Material: This shock roulette game is made of ABS environmentally plastic, safe and non-toxic, harmless to the human body. You can play with confidence. Requiring 3 AA batteries (not included). Two Modes are Optional: Random mode and competitive mode for your choice. This shock game gives you challenge and fun in different ways. A perfect gift for your friends. 2-6 People Play: The upgraded version of the electric shock polygraph supports 2-6 people playing. The player puts finger into the holes, then press the Start button and the light will rotate with the music quickly. When the music ends and the corresponding light comes on, the player is considered a failure, then the player will be shocked by electric and scream. Intimate Design: There is a suction cup at the bottom of the finger shock roulette, which is not easy to shake when playing. And an instruction manual in the box for your reference. Note: This is not a voltage converter and is only compatible with 110V to 240V wide voltage devices. Your hair dryer, or curling iron needs to support wide voltage, otherwise you may need a power voltage converter.