Metris LABORAS Behavior Registration System, 100-240V, model LCU-01-2D, is manufactured by Metris. Metris LABORAS is a high throughput system for automated recognition of a large number of rat and mouse behaviors. LABORAS is completey non-invasive, uses a home cage environment and automatically determines accurate and consistent behavioral data without the need of human observers. In addition LABORAS calculates precise position tracking parameters.