The Seco-Larm SH-504Q is a compact 3/4-inch electronic buzzer that provides reliable audible alerts for security and access control systems. It operates across a wide voltage range, delivering consistent sound output in a small, durable package.

• Operating voltage: 3–18 VDC

• Sound level: 91 dB

• Frequency: 400 Hz ±100 Hz

• Current draw: 35 mA at 12 VDC

• Compact 3/4-inch design for easy integration

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