supply of 36 watt 600 mm x 600 mm ceiling led recess fittings.36 watt 600 mm x 600 mm ceiling led recess fittings.,36 watt 600 mm x 600 mm ceiling led recess fittings, ip20, diffuser material poly carbonate (uv stabilized), color temperature (+/- 500 k) 600 0 deg k (led chip efficacy with higher efficacy >/=140 lm/watt) operating voltage and frequency range 140v to 280 v at 50 hz ac, rated voltage 230 v ac 50 hz ac, power factor >/=0.90, color rendering index(cri) >/=80, beam angle >/=120, fixture / luminaire should be die-cast aluminium /crca/extruded a luminium, mounting type recess type, working life for led : (minimum 50,000 burning hours as per lm- 80 report), operating temperature range -10 deg. c t o +55 deg. c, minimum warranty for free replacement require 5 years. make: surya, philips,cg, bajaj, ge, hpl, havells , jaquar only. [ warranty period: 60 months after the date of delivery ] ]