Product details:

Classic optical tremolo sound with a wide range of speeds and depths BIAS knob delivers a broad palette of tremolo sounds True bypass maximizes signal integrity when not in use Enjoys a compact size, further, the full metal case, and the special surface treating technology, making it has a long durability Attractive lighting design Overview Classic optical tremolo sound with a wide range of speeds and depths. BIAS knob delivers a broad palette of tremolo sounds. Enjoys a compact size, further, the full metal case, and the special surface treating technology, making it has a long durability. Attractive lighting design. True bypass maximizes signal integrity when not in use. DC 9V adapter power supply.