Battery powered 16mm camera. C mount lens ports. The battery needs to be recelled or replaced. No charger included. 
You can buy a rubber eyepiece cup online for under $30. Viewfinder needs cleaning. 
There is a shop in the USA called DuAll that does overhauls of this camera, and a retired Beaulieu technician who runs a repair shop in Sweden if you want to get the camera cleaned, lubricated, and adjusted. 
Zoom lens f1.8 11mm-110mm from Japan. Glass is clean with no scratches, fogging, or fungus. Set of lens diopters for closer focus.