B-Stock, DDrum DDTI Trigger Interface, Trigger-to-Midi-Interface, 10x TRS trigger inputs for single or dual zone trigger, 20 programmable presets for storing and recalling various set-ups. USB port to connect to your computer, MIDI port to connect to a drum machine or module, hi-hat pedal input for on/off or continuous control, footswitch input for selecting kits, customisable trigger settings for sensitivity, assignment of MIDI channels, note numbers, cross-talk, velocity curve, threshold, re-trigger time and pad type. Mounting holes for optional drum stand mount, B-Stock with full warranty, may have slight traces of use