The System Sensor SpectrAlert Advance LENS-B is blue lens used for any indoor or outdoor wall mount strobes. System Sensor color lens attachments are easy to install to any indoor or outdoor SpectrAlert Advance strobe devices to provide distinctive visual signaling.The System Sensor SpectrAlert Advance color lens attachments come in four colors-amber, blue, green and red? ??for mass notification, severe weather, emergency response and other non-fire applications. The lenses easily attach to any plain (non-FIRE-printed) SpectrAlert Advance strobes horn strobes, speaker strobes and strobe-only devices. The lenses may be used with wall or ceiling strobes in indoor or outdoor applications. ?Each lens ships with a clear adhesive on the bottom surface. The lens is then aligned with the clear strobe and applied.
