The Full-Drive 2 V2 guitar pedal overdrive effect from Fulltone. This effect with practical dimensions of 11.3 cm x 10.7 cm x 6.4 cm (width x depth x height) features JRC4558 chip, true bypass switching system and four knobs to control Volume, Tone, Drive 1 and Drive 2 functions . Two switches allow you to change between FM / Vintage / CC and Wide / Standard / Half Clipped modes. Power supply: 9 volt battery or 9/18 volt DC power adapter.