3D Fireworks Extravaganza has spectacular realistic fireworks effects. Short bursts of 1,2, or 3 fireworks of varying colors are followed by a fantastic finale with dozens of explosions. Set against a variety of background images (user's choice) makes this the perfect screen saver for celebrating American Independence Day, New Years or other fireworks holidays.. Demo contains full set of features. Have fun customizing this screen saver to your preferences: tint, brightness, sound mute and volume control. You can also select from 10 different backgrounds including a cityscape, sunset, two mountain scenes, USA flag, and two maps of USA, Mount Rushmore, Statue of Liberty and solid black. Supports dual monitors use.