Volito - Ø444mm Circular surface mounted luminaire with steel housing and polycarbonate diffuser with opal centre Options: LE3 - Lithium Emergency (413 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)* 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. DG - Dark Grey Bezel C83 - CRI 80, 3000K C85 - CRI 80, 5000K