GR-415/1PL Product InformationLed internally illuminated safety signs, self-testing, maintained operation. 1h, 3h and 8h duration 50m Viewing Distance 1 hour (Mains / Emergency) 3 hours (Mains / Emergency) 8 hours (Mains / Emergency) 370 lm / 370 lm 370 lm / 270 lm 370 lm / 100 lm Horizontal TabsDocumentation User Manual Declaration of Conformity