Features: *Accurate Frequency Adjustment:The professional equipment adjustable generator provides precise waveform output, allowing for accurate frequency adjustment. *User-Friendly Design and Stable:With its user-friendly design and stable working, this signal device is for professionals in the field of electronics and testing, a smooth and hassle-free experience. *Versatile Usage:This generator is designed for use in laboratories, schools, and studios, where signal generation and frequency adjustment are required. It can adapt to different environments seamlessly. *Perfect for Testing and Calibration:Whether it's electronic device testing, equipment calibration, or scientific experiments, this signal device is perfect for accurate and reliable results. *Unlock New Possibilities:Enhance your work or projects with the signal device, as it opens up new possibilities and enables you to achieve better outcomes. Specifications: *Part Name:For Schumann Wave Generator *Material:Electronic component *Size:Approx.Red(10x10cm),Green(15x15cm)(Circuit board size, Optional) *Color:Red,Green(Optional) *Frequency:Red(Non-adjustable),Green(0.1HZ-30KHZ) *Model:Red(DP-BU),Green(DP-BT)(Optional) *Power supply interface:DC5.5*2.1 *Supply voltage:5V *Rated power consumption: