These lamps pass the EPA's TCLP test for non-hazardous materials. Ideal for industrial applications, warehouses, post top applications and parking lots. Product number 368837 Rated Avg. Life 24000 hr Color Temperature 2100 K Initial Lumens 140000 Lm Watts 1000 W Lamp Voltage 235 V Lamp Current 4.7 A Ignition Time 5 (max) s Re-ignition Time 2 (max) min Light Center Length L = 8.75 in Max Overall Length (MOL) = 15.063 (max) in Diameter D = 3.125 in Philips Ceramalux Alto HPS Information Sheet PDF