Arduino Mega Case Enclosure New Black Computer Box with Switch This is a no-nonsense protective case designed specifically for the Arduino Mega 2560 R3. The case is a two-piece injection-molded ABS enclosure that snaps together around the Arduino. Holds the Arduino firmly in place It provides tough protection for the Arduino while providing access to all Arduino connectors. It also includes an integrated power switch for the Arduino. Integrated on/off switch Access to all Arduino Mega R3 connectors.