Algo 1126PC CLEAR Strobe Light with Power Supply Multi-function Event Indication for Visual Alerting High-visibility Xenon Tube Strobe Easy installation and mounting on ceiling or wall For use with Algo 1825, 8180, 8188, 8186, 8189, and others Other models are also available (Amazon search "Algo 1126"); 1126PG Green, 1126PR Red, 1126PC Blue, or 1126PA Amber Lens