This is a Dunlop RotoVibe JH-4S in Excellent Condition.
Chorus/Vibrato and Rotating Speaker Simulator.
The speed of the effect is controlled by your foot,
so you can speed up and slow down the effect in real time while playing.
The intensity knob has been spruced up with a knurled Tele knob.
Fully Functional and Sounds Awesome !!
Original Box Included.