Torlan non-corrosive batten with microwave sensor and emergency function. Ideal for energy-efficient, professional lighting installations. Selectable 3000K, 4000K, and 5700K white light outputs. Selectable wattage of 19W for 3000lm and 37W for 5550lm. Up to 160lm per watt. Maintained, non-maintained or switch maintained. Stainless steel diffuser clips for longevity. Can be surface, BESA box or suspension mounted (BESA and suspension kits not included). IK08 impact rating. 3 Hours Emergency Run Time IP65... - Manufacturers part numbers: Knightsbridge_TORCWMEM4|516GA