EarthQuaker Devices Spatial Delivery V3; auto-wah and voltage controlled envelope filter (VCF) effects pedal, dynamic or random voltage (Sample & Hold) control, 3 modes Up Sweep, Down Sweep and Sample & Hold, six presets to save and recall and a user-assignable expression control, two global operating modes (Live Mode/Preset Mode), indicated by the colour of the Save/Recall switch, true bypass, 3 controls for Range, Resonance, Filter, Preset, Mode switch, Save/Recall switch, silent relay-based soft touch switching, footswitch works as momentary or latching operation, bypass footswitch, 6.3 mm mono IN/OUT jacks, 6.3 mm stereo jack input for external control, status LED, metal housing, power supply optional 9V DC adapter 2.1 mm x 5.5 mm barrel plug, polarity (-) center, battery operation not supported, dimensions (D x W x H) 127 x 67 x 54 mm / 5" x 2.625" x 2.125", current draw 75 mA, weight 286 g / 0.63 lbs, hand made in USA