This is a Universal Binary which will run natively on the new Intel Macs as well as on PowerPC machines. If you are using Mac OS X 10.3, stick with DisplayWatcher version 1.0.2; the only difference in 1.1 is native compatibility with Intel processors.
Operating systems Mac OS X 10.4 PPC, Mac OS X 10.4 Intel
Additional requirements Mac OS X 10.4 or higher, and a system you use with different displays, or which you'd like to have run a script whenever it wakes up.