Amenity Exterior - IP65, IK10 Surface mounted Exterior Luminaire, die cast aluminium body, finished in black powder coat paint, opal polycarbonate diffuser. Options: LE3 - Lithium Emergency (197 lumens) LS3 - Lithium Selftest LA3 - Lithium Autotest A - Digital Addressable Lighting Interface (DALI) C - Bi-Level Dimming (Corridor Function)* S - Switch Dimming D - Digital Dimming (DSI) R25E - Reacta 25, On / Off High Frequency R25C - Reacta 25, Corridor Mode* RLM - Reacta-Link Wireless Microwave Presence & Bright Out RCME - Reacta-Control Wireless Microwave On/Off RCMC - Reacta-Control Wireless Microwave Corridor Mode* *Bi-Level Dimming. Will only dim the luminaire to 10% during absence and brightout, it will not turn the luminaire off.