The Cerberus FDM224 Manual Call Point is for immediate manual actuation of an alarm. This Manual Call Point is designed for indoor and outdoor applications. The Cerberus FDM224 has surface- and recess-mounted feed lines in easily accessible places. By replacing the glass plate the push-button is reset and the device is ready for operation again. The housing FDMH293-x and the switching unit FDME224 must be ordered separately.