You get a complete kit, including two durable buzzers and a heavy-duty power supply, ensuring reliable operation under constant use. As a dedicated programmable bell system, it integrates easily with any existing best time clock system or can operate entirely independently. When you shop with Time Clocks Unlimited, LLC, you are choosing a provider known for delivering specialized, rugged hardware engineered for longevity and exceptional performance in demanding commercial and industrial settings. This robust two-buzzer setup provides expanded coverage and consistent, accurate signaling throughout your facility. Order today.