An Addressable Loop-Powered Wall Beacon, with a high intensity LED and a custom designed free-form optic which produces a highly visible flash. Various coverage volumes available based on 2.4m ceiling height, include 5m, 6m and 7m. The unit is designed to fit the YBN-R/3 and YBN-R/3(SCI) bases or the YBO-BS Base Sounder. This model features a white case and white LEDs. Selectable from the CIE (check panel compatibility).