Tremolo effect for guitar in pocket format. Produces a vibrant volume modulation of the classic vintage effect as well as modern helicopter sounds. Speed and Intensity of the tremolo effect can be widely adjusted with the provided controllers. Controls include Shape, Speed, intensity. Robust steel housing. Powered by 9 V DC power supply (not included) or 9 V block. Dimensions: 100 x 60 x 55 mm. Weight: 0,25 kg. In a green finish.