The Pro Thumper Mental Conduct Master is one of the greatest devices ever conceived for the working mentalist. Each one is carefully crafted with several unique features. This device was the result of a quest for a discreet and reliable cueing device for magicians and mentalists. The result is the Pro Thumper! Do not be put off by the fact this is a two person device! The power of the effect possible with this little beauty is unsurpassed. The Pro Thumper may be used in a multitude of ways. You can blow peoples' minds at any time. Please remember the effects possible with this amazing device are only limited by your imagination. Effect: This is a Prediction magic. It includes a remote controller and 4 vibration devices. There are 4 buttons (A.B.C.D.) on the controller. These 4 buttons can control these 4 vibration units. A controls A unit to vibrate , B controls B unit to vibrate and so on. Before your show, You should have these 4 sensors placed in different locations of your body. The remote controller must be in your assistant's hand. When you start your show you need 4 audience members to assist you. Your confederate is sitting off stage or in the audience. When your assistant clicks the A button, you can devine a specific item held by audience member A. This is repeated for other items and / or audience members. Your divinations will always be successful. In a word, this prop is a notification. The remote control uses a 12V 23A battery (Not included). The device uses a 9V battery (Not included).