Alesis DM Dock | Drum Interface to Use iPad as Full-Color, Multi-Touch Drum Module (12 Trigger + 1 Hi-Hat Inputs) Alesis DM Touch app allows for easy drag-and-drop drum kit editing and instant downloads of new sounds Turns your iPad into a 10-inch, full-color, multi-touch surface drum module Connects to your iPad via Apples new Lightning connector Compatible with GarageBand and virtually all other Core MIDI apps 12 TRS 1/4  jacks for drum pads, cymbal pads, and other triggers Assignable footswitch, MIDI In/Out ports, USB MIDI port Power supply also charges your iPad