UTC FIRE & SECURITY GE Esl By Interlogix Smoke In A Can - Safe Secure Smoke Detector Testing (sm200)

How many smoke detectors can one test with a single can?

How many oz of smoke in the can ?

Why does it state above that it cost $94.14 for installation of a can of smoke ??? theres no detector here, just the can of smoke ???

Could this be safely used as a stage prop to create smoke for a character?