Whammy DT effector, realizing a variety of tones. - Model: Whammy DT - Color: Red - Functions: Harmony, Whammy, Shift Up, Shift Down, Drop Tune - Operation Buttons: Momentary, Whammy - Detune Functions: Shallow, Deep - LED Indicators: LED display corresponding to each function Thank you for viewing. I have confirmed power and basic operation, but the shift up/down knob may not work correctly. It works normally if you turn it while pressing it. Please understand that this is an old device.