OUR BRAND" DUSK 2 DAWN" 1200 MM LENGTH T 8 LAMP CONSTRUCTED WITH ALUMINIUM EXTRUDED SECTION BODY WITH PLASTIC DIFFUSER MADE FROM SMD LEDS CONFIRMING TO LM 80 STANDARD WHICH MEANS THAT THE LED'S HAVE A LIFE OF 40 K TO 60 K HOURS THE IN PUT AC VOLTAGE IS 95 V TO 275 V AC POWER CONSUMED 20 WATTS LIGHT OUT PUT 2600 LUMENS WARRANTY 2 YEARS WE ARE SUPPLYING TO ALL INDUSTRIAL UNITS LIKE BANKS, RAILWAYS, SCHOOLS, ETC