go down to. but it is completely -- the system doesn't depend on skilled trainers. it's completely controlled and everything is collected on a data base. the parameters are controlled and selected by the computer. >> i presume the benefits are, one, this is one, this is relatively inexpensive and, two, you could pretty much use it anywhere. you don't necessarily have to have electricity in order to see how the mice react, right? >> no. it's actually a machine so you have to -- it's a -- the laboratory mice are actually integrated into a machine system. if we want to move the -- to them -- we need some kind of