An electronic buzzer is an audio signaling device that can be mechanical, electromechanical, or piezoelectric. It is commonly used in alarm devices, timers, and to confirm user inputs. Electronic buzzers have commercial applications and are purchased by industrial distributors, original equipment manufacturers, government agencies, institutions, and commercial enterprises for use in smoke detectors, automatic doors, and other systems. The buying process involves an initiator who needs the buzzer, an influencer like technical staff, a decider usually in operations, the purchasing department as the user, and an inventory manager as the buyer, with final approval by management. Target markets include institutions, government agencies, convenience stores, households, associations, hospitals, banks