A compact, reliable electronic buzzer used as an audible indicator for various functions in a bus, such as door open warnings, passenger stop requests, or low-pressure alarms.

Key Features:

• Dual Voltage Input: Compatible with common vehicle electrical systems ($\mathbf{12V/24V}$).

• Clear Alert: Produces a high-decibel, piercing sound for effective signaling.

• Low Profile: Designed for discreet mounting behind panels or within dashboards.

• Long Service Life: Reliable electronic components ensure continuous operation.