tender for supply of min 36w led fixture 2x2, supply of minimum 36w recess mounting led fixture size 2x2 feet,having minimum 100 lumens per watt, life of led 50000 burning hours, ip 20, thd less than 10, cri min 80, pf 0.9 made out of extruded aluminium/crca/standard alloy housing, prewired fixture complete with all accessories suitable for armstrong/grid ceiling and operation on 240v/50hz ac supply etc. as required.