MOD Office - 600x600, IP40 Recessed luminaire, white powder coated one piece steel body, with central microprism optic with high transmission opal diffuser surround. Replace * with P for Pull-up or R for Lay-in. Options: E3 - Emergency control gear (490 lumens output) 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 4PM - 4 Pole panel mount 6PM - 6 Pole panel mount MODRS TETHER KIT - Secondary fix single drop MODRS TETHER KIT TWIN- Secondary fix twin drop