Ulko

OS-350 Siren

The OS-350 is an outdoor non-backup siren combining a loud acoustic siren with a flashing light. The flashing light helps to locate the active siren. Optional piezo-electric siren (ACM-OS360).

OS-365A Outdoor siren

The OS-365A is a hard-wired outdoor backed-up siren combining a loud acoustic sirenn with a flashing light. The high-powered flashing light helps to locate the active siren.