Heavy Duty Industrial Aluminium Crane Marine Outdoor Emergency Beacon Sounder Alarm Beacon. Heavy-Duty Construction: Aluminium housing with protection cage for excellent durability and anti-corrosion. High Brightness Warning: Integrated LED flashing/steady light with 120dB sound pressure for clear audio-visual signals. Wide Voltage Support: Operates on DC12V, DC24V, AC110V, AC220V, and AC380V for versatile power compatibility. IP66 Protection Class: Dust-tight and water-resistant design suitable for harsh outdoor and marine environments. Multiple Alarm Tones: Select from 12 tones including Fire, Security, Marine Horn, and Motor Siren via internal switch. Remote Control Capability: External control available via push button or relay switch for triggered alarm activation. OEM/ODM Services: Full customization, minor customization, and flexible options available from samples or designs.