Can precisely trim the input voltage of an effects pedal and perfectly recreate the sound of a flat battery- Especially suitable for fuzz, overdrive and distortion pedals- Placed between power supply and effect pedal- Bypass footswitch- Status LED- Metal housing- 2.1 x 5.5 mm Barrel connector- Polarity (-) centre input / output- Power supply via optional 9 V DC power supply unit, 2.1 x 5.5 mm Barrel connector, polarity (-) centre- Current consumption: 12 mA- Dimensions (L x W x H): 91 x 38 x 25 mm- Weight approx. 272 g