... 3\Length:100mm-1500mm 4\Life-span:over 6000 Infrared quartz heater ( halogen lamp)1.Versatility of heat source: 2.Safe ... : Quartz envelope,heat shock resistant. 3.Economical: More than 85% of ... . 4.Long life: More than 6000 hours. Application: -Home heating: Heater,oven,stove,baker,toaster,flooring -Industrial heating: Automobile,equipment,machine