Tanek - 600mm, IP65, IK10 Surface mounted luminaire, constructed from robust 1.2mm CR4 steel, opal polycarbonate diffuser, weather resistant and salt spray tested, tamper resistant diffuser fixings, two 20mm side cable entries. Options: LE3 - Lithium Emergency (363 lumen 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* RLM - Reacta-Link Wireless Microwave Presence & Bright Out RCME - Reacta-Control Wireless Microwave On/Off RCMC - Reacta-Control Wireless Microwave Corridor Mode* WH - White Body BL - Black Body C83 - CRI 80, 3000K