Bob Tremblay, Vision Sensors Marketing Manager, demonstrates how a Checker® vision sensor performs a simple presence/absence inspection on a production line of popular children's toys. Visit Cognex.com to learn about all the presence, position, and measurement tools available in the Checker 4G series of vision sensors. http://www.cognex.com/industrial-sensor-checker.aspx?cm_campid=CBE3862F-9518-E211-AE9B-5EF3FCDAF1B7