Active Electronic Alarm Buzzer – DC 12V This performance Active Electronic Alarm Buzzer is designed for reliable audio signaling in a wide variety of applications. Built for consistent operation and ease of integration, it delivers clear, attentiongrabbing sound whenever activated. Key Features: **Rated Voltage**: Operates at DC 12V for stable and efficient performance. **Resonance Frequency**: 2.8 ± 0.5 KHz, ensuring a distinct and penetrating tone suitable for alerts and notifications. **Compact Size**: 12 mm diameter x 9 mm height, ideal for applications where space is limited. **Wire Length**: 5 cm, enabling easy connection to circuits and devices. **Durable Material**: Made from quality plastic for longterm use and resistance to wear. **Color**: Professional black finish that blends well with most devices. **Weight**: Lightweight at 38 g for the full set. **Package Content**: Includes 20 units of Active Electronic Alarm Buzzers, providing value for bulk installations or replacements. Benefits and Advantages: Simple plugandplay design — no need for external drive circuits, reducing installation time. Clear sound output helps ensure alerts are heard even in noisy environments. Compact and lightweight, making it easy to integrate into small electronics, panels, and devices. Typical Applications: 1. **Security Systems**: Provide audible alarm signals in home or commercial intruder detection systems. 2. **Industrial Equipment**: Alert operators to machine status changes, errors, or safety warnings. 3. **Electronic Projects**: Ideal for hobbyists and engineers needing a reliable buzzer for DIY circuits, prototypes, or educational kits. This Active Electronic Alarm Buzzer offers dependable sound signaling in a compact form, making it a practical choice for both professional installations and projects.