Adjustable 0.1HZ~30KHZ Schumann Wave Frequency Pulse Generator Multi-mode 7.83Hz
ab 8,16 €
The product not only can output 7.83Hz Schumann wave, but also can adjust the frequency in the range of 0.1Hz ~ 30KHz, digital circuit crystal oscillator frequency reference, more stable, stronger anti-interference.
Jetzt bei Ebay:
