Siren Horn Electric Wired Alarm Loudspeaker, 10 to 28V, 120dB, ABS Plastic - Adjustable Volume and Voice Replacement, Ideal for Security and Industrial Use

[Durable ABS Plastic]: Crafted from anti wear and impact proof ABS plastic, this siren horn resists dust, aging, and deformation, ensuring long-lasting, reliable security performance.
[Adjustable Volume]: Features 6-level cyclic volume adjustment with simple key controls, allowing you to customize the loudspeaker sound for various environments and alert needs.
[Voice Replacement Function]: Supports easy voice prompt updates via USB connection to computer, storing multiple MP3 voices on a 4M flash for versatile alarm customization.
[Wired Connectivity]: Connects seamlessly with alarm output outlets or works independently, powered by DC 10 to 28V for stable operation and powerful 120dB alarm sound.
[Wide Application]: Suitable for shopping malls, schools, construction machinery, ports, and other industrial or commercial settings requiring loud, clear alarms.