A digital camera is a complex device that if used properly, can give you sharp, beautiful photos.

Now he put the final touches on the most complex device he'd made.

This is a complex device which would be expensive to replace.

This large number of circuits would result in a large, complex and expensive device.

Or you have a more complex device that dodges out of the way like the boxer who moves on his feet.

Clocks were some of the most complex early mechanical devices.

That stone left behind is easily the most valuable and complex device ever invented.

The thousands of bombs in the stockpile are highly complex devices.

They were more complex devices however, and were not popular outside major European cities.

"This is a more complex device than I'd been led to believe."