
Flash the screen and keyboard.
Flash the screen: Click the color box to set the desired color. The computer screen will flash this color for 1/2 seconds.
Flash the keyboard: Flash the keyboard backlight for 1/2 seconds. Only available on laptops with backlit keyboards.

Plays sound files and system sounds or uses OS X's speech synthesis.
Source: Select the audio source.
System Beep: Play the alert sound set in the Sound panel of the System Preferences.
System Sound: Select a standard sound from the Sound panel of the System Preferences.
Sound File: Select a sound file to play.
Speech: Select which voice to use to speak a short description of the event.
Repeat while ringing: If the event is a incoming call, play or speak for as long as the call is ringing. Otherwise, only play or speak once.

The AppleScript reactor runs custom AppleScript files.
Select File: Click to select the AppleScript to run.
The Screen Saver reactor starts and stops the screen saver. Password-protection is NOT bypassed.