Runway Surface/Suspended - 2000mm Surface/suspended linear luminaire, extruded aluminium trunking with painted finish and opal diffuser with uplight. Options: E3 - Emergency control gear ST3 - Emergency Selftest AT3 - Emergency Autotest S - Switch Dimming D - Digital Dimming (DSI) A - Digital Addressable Lighting Interface (DALI) C - Bi-Level Dimming (Corridor Function)* H - High Frequency Dimming (Analogue 1-10v) R44 - Daylight regulating and Occupancy Sensor RAS - Reacta Air Wireless occupancy and daylight dimming RLS - Reacta-Link Wireless Presence & Daylight Sensor RCS - Reacta-Control Wireless, Presence GY - Grey Finish WH - White Finish BL - Black Finish RWY SUSP 3M - Runway 3M single point suspension kit RWY SMK - Runway Surface Mount kit (single point) RWY INSTALL KIT - Runway Installation Kit (1 Kit per installation)