Quartz infrared single tube infrared heater lampsquartz infrared single tube infrared heater lamps is one of infrared heating element, which is the most efficient and mostenergy-saving type in the heating area. It can not only improve your heating speed by higher power,  but also it will help you save more enrgy by using the shortwave infrared heater to replace the other heaters.Quartz infrared single tube infrared heater lampslamp model: swir-10350tube coating: golden reflectorlamp length: 350mmactive length: 300mmvolatge: 110vpower: 650wcable length: 600mmcolor temperature: 2000-2700kwavelength of infrared radiation: 0.75-1.4um ir benefits and features