Package includes two black active piezo electronic alarm buzzers, designed for reliable performance in a wide range of sound alert applications. Key Features: Intermittent sound output for clear and noticeable alerts Operating voltage range of DC 3 to 24 volts for flexible compatibility with various power sources Sound level of 85 dB for effective audible warnings without being excessively loud Compact size of 50 x 18 mm for easy installation in tight spaces Durable ABS plastic construction for longlasting use Benefits: These buzzers provide an effective solution for situations where clear and consistent audible alerts are essential. Their wide voltage range allows easy integration into different projects, while the intermittent tone ensures the alarm draws attention without causing unnecessary disturbance. The compact form factor and sturdy material make them suitable for both professional and DIY applications. Applications: Ideal for car modification projects where an audible reminder or warning is required Suitable for DIY electronics projects that need a sound alert system Useful for equipment and machinery alerts in workshops or workspaces to signal status changes or safety warnings With dependable construction, versatile voltage operation, and a clear intermittent sound, these active piezo buzzers deliver consistent performance for a variety of alert and reminder needs.