Indication Signboard for fire protection element. Made of methacrylate. Designed under UNE 23035 part 1, 2, 3 and 4 standard of 1995 and 1994. Photoluminescent. KEY- IN CASE OF EMERGENCY BREAK THE GLASS WITH THE METALLIC STEM OR ANY OTHER HARD OBJECT. TAKE THE KEY, OPEN THE DOOR AND GO OUT LEAVING THE INSERTED KEY.