The OS-366A is an hardwired outdoor backup siren combining a loud acoustic siren with a flashing light. The high-powered flashing light helps to locate the active siren
This siren is designed for outdoor use. It feeds through the control panel.
The siren communicates with the host through the cable. This siren has a high acoustic power and a flashing light. In addition to the warning signs, it is also possible to issue "beeps" in the actions of arming and disarming the system unit.
It has a built-in tamper sensor, causing an alarm if an attempt to open the siren.