7.83 Hz extremely low frequency pulse wave generator Earth

7.83 Hz extremely low frequency pulse wave generator Earth Description

7.83 Hz Extremely Low Frequency Pulse Wave Generator Earth Description
This product is a very low frequency generator of 0.83 Hz, characterized by high accuracy and stability.
Elements for capturing highly stable frequencies: highly stable pulse chip, precision correction capacitance, precisely adjustable multi-loop resistor.
High-quality polymer batteries with overcharge, overvoltage, and overcurrent protection. There is almost no voltage ripple in the power supply. With a working toggle switch, easy to use. The wave can be applied to HiFi or sleep. Power supply: 12V 1A Android charging cable. Polymer battery capacity: 2300mAh. Working time: 200 days (full charge). Material: Metal. Color: Black. Package contents: 1 x Ultra-low frequency pulse generator. Only the above package contents, other products are not included. Note: Light reflections and different displays may cause the color of the item in the picture to be slightly different from the actual color. The allowable measurement error is +/- 1-3 cm. [OnBuy.com]