... :500-1200mm 2.Door Weight:30-65kg 3.Shape:quadrangle 4.Two speed 5. ... Testing of Fire Building Materials. 8. Applicable for wood door,steel door,fire door,etc.9. Colour options: Silver, black, gold,white. other ... ,satin,titanium.12. On time in full.13. Installation types: vertical, parallell, sliding-rail on the door.Scheme of InstallationFunction