Dual Scream

The Dual Scream is a machine designed by Professor Elvin Gadd in Luigi's Mansion: Dark Moon. Dual Scream is a pun on "dual screen" - the abbreviation "DS" in Nintendo DS, which is what the Dual Scream is modelled after. It functions like the Game Boy Horror and displays a map of the mansion and the pause menu on the 3DS's bottom screen. Its ringtone is a remix of the original game's theme.

Trivia

 * The microphones of the Dual Scream are now shaped like E. Gadd's head instead of their usual circular shape.
 * While the Game Boy Horror had it's full name from the start of Luigi's Mansion, the Dual Scream got its name midway through Luigi's trek through Gloomy Manor.