Control your home lights and appliances from your PC with this ActiveHome software and computer interface. Once installed on your PC, the drag-and-drop, point-and-click software allows you to set up instructions for the various Light and Appliance Modules installed throughout your home. After scheduling your instructions, simply send the programmed command to the Computer Interface which remembers and carries out your commands, even with your computer turned off. This software and interface, allows you to have your PC control your home lights and appliances. For example: 
Automatically turns your home lights On, Off or Dim
Have your freshly brewed coffee ready at a set time
Warm up the bed by turning On your electric blanket automatically
Have your outdoor, indoor or holiday lighting turn on and off according to your preset times
Set scenes to occur with the touch of a button
And much more!
RS232 DB9 connector supplied with the CM11A computer interface 
Two AAA batteries required for memory backup. 
Works with Windows 3.x, 95, 98, ME, NT4, 2000, XP
Manufacturer: X10 Wireless Technology, Inc
Manufacturer warranty: 1 year 
Product questions: 800-442-5138