Dwyer Instruments, Inc. 39704 AK Precision PressCall air-activated nurse call alarm is a five-prong nurse alert device identified by part number 39704 AK. It is described as air-activated, placing pneumatic triggering at the core of its operation within Dwyer’s PressCall line. Intended for healthcare environments needing prompt nurse notification, this model provides a compact, dedicated alarm interface for rapid response.
