Boss VB-2W Waza Craft Vibrato Pedal Modes3 modesLATCHUNLATCHBYPASSBypassBuffered bypassControlsPedal switchStandard/Custom switchRATE knobDEPTH knobRISE TIME knobMODE knobIndicatorCHECK indicator (Serves also as battery check indicator)ConnectorsINPUT jackOUTPUT jackDEPTH jackDC IN jackPower SupplyAlkaline battery (9V, 6LR61) or Carbon-zinc battery (9V, 6F22)AC adaptor (sold separately)Current Draw35 mAExpected battery life under continuous use (These figures will vary depending on the actual conditions of use.):Alkaline: Approx.