Notes: The FM 783 Schumann wave generator is an auxiliary device that acts on the human body at a relatively weak frequency, and Schumann wave will fail in the following cases: The surrounding environment is too noisy, all kinds of waveform more far than the Schumann wave generator radiation intensity. The body is excited, excited state. Each type of continuity under the big volume of DJ music. General Applications: Suggested that the goods placed a height of 1.5 meters, a single product should be in the area of not more than 18 square meters, more than one, please purchase more than one. It is recommended to use a matching linear power supply. Functions: For audio-visual space - to enhance the sound field and audio-visual effects For the bedroom - to help sleep soothe the nerves, treatment of insomnia For the office - relax and improve work efficiency For the create space - to improve creative inspiration For the tea ceremony, spirituality, realization space - resting body and mind Specifications: Frequency: 7.83Hz Size: 150*120*40 mm / 5.91*4.72*1.57 in Weight: 0.4Kg / 0.88 lb Rated voltage: DC 12V Rated current: 1.5A Applicable voltage: 100V-240V Universal Including accessories: DC 12V Power supply Package Includes: 1 * Pulse Generator 1 * Power Supply