Graduate - 1500mm, IP20, IK08 Surface mounted linear luminaire. Contoured low profile TPA opal diffuser and polycarbonate end caps with conduit entry knockout. Options: LE3 - Lithium Emergency (402 lumens output) LS3 - Lithium Selftest LA3 - Lithium 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) R25E - Reacta 25, On / Off High Frequency R25C - Reacta 25, Corridor Mode* RC - Reacta-Control Wireless Module RCS - Reacta-Control Wireless, Presence RCME - Reacta-Control Wireless Microwave On/Off RCMC - Reacta-Control Wireless Microwave Corridor Mode* RLM - Reacta-Link Wireless Microwave Presence & Bright Out RLI - Reacta-Link Wireless Module RLS - Reacta-Link Wireless Presence & Daylight Sensor RAS - Reacta Air Wireless Presence & daylight GRD IP40 Gasket - IP40 Gasket NL - Night Light P410 - Four point suspension kit