With Brightness Slider you can adjust screen brightness from the menu bar, just like the sound menu provided by Apple, and with improved control over the dimming process.

Using a keyboard with no brightness keys? Tired of low brightness levels which are still too bright? Brightness Slider gives you total control over your screen's brightness settings, allowing in
particular for a really smooth transition between low light and total darkness.

Features:

• Screen brightness level adjustment right from the menu bar
• Dimming control at low brightness levels
• Arrow key function with active Brightness Slider menu
• Custom hotkeys for lowering and raising brightness levels
• Start at login option available in the preferences

Requirements:
OS X 10.8
64-bit Intel

Also available is:
Universal Binary version 1.0.4 for OS X 10.2+