This  Columbus Instruments Opto-Varimex Animal Activity Track System  is in  real good condition, and functions 100% . It came from a lab that was upgrading equipment. We can accept pay- pal or your credit card. Please email me with any questions.

Photocell-based activity monitor. It is based on the traditional infrared photocell principle

 




 


















Go to the bottom of the listing page for pictures thanks