... quartz heater: 1\Volt:110v-400v 2\ Power:200w-7500w 3\Length:100mm-1500mm 4\Life-span:over 6000hours Infrared quartz heater: ... 1.Versatility of heat source: 2.Safe: Quartz envelope,heat shock resistant. 3. ... life: More than 6000 hours. Application: -Home heating: Heater,oven,stove,baker,toaster,flooring -Industrial heating: Automobile,equipment,machine ...