This is the FULL SIZED version of the ST300 mini.
Be one of the first in the country to own one!
The LED ring on the Turbo Tuner is a true stroboscope.
The LEDs are driven directly by the analog input signal and electronically strobed, showing the actual stroboscopic effect between the input signal and internally generated frequency reference.
This gives instant response and extreme accuracy.
Shipped with 9v battery