GR-577/L/15/ST/WP Product InformationLed internally illuminated safety signs, IP65, self-testing, (for tunnels) maintained, double sided. GR-57X/XW/WP/B - All the models can be manufactured with xenon red beacon on top. GR-XXX/L/XX/ST/WP/O - All the models can be manufactured as one sided luminaries with aluminum backplate. Horizontal TabsDocumentation User Manual Declaration of Conformity