Specifications include, but are not limited to: Salient Characteristics of the Rodent Laboratory Animal Observation System: • The system must provide a natural dark environment in a confined space. • System analyzes spontaneous rather than invoked or trained mouse behaviors. • System is an observer-free environment for voluntary mouse behavior, so it is not biased by the experimenter and does not require the animal to be trained. • The observation system must have the ability to track at least two (2) mice at one time. • Overall analyzing spontaneous activity, not bringing experimenter bias, not requiring pre-injury training for the animals, and flexibility to tend to other behaviors The system must provide gait/paw placement data and data on natural voluntary animal behavior for the following activities: o Rearing o Grooming o Inactivity o Toe spread o Jumping o Total distance traveled o Step length o Pain • The supplier must offeror at least 12-month access analysis platform for data.