... , Tin, Boron, Sulphur, Selenium, Cadmium, Titanium, Zirconium, Tungsten, Iodine, Arsenic, Sodium, Barium,Aluminum, Molybdenum, Antimony, Cerium, Bismuth, Fluorine ... wouldn’t make skin singe like old TDP lamp,as it will be constant automatically when reaching ... evironmental protection.6) Save energy:30% than ordinery TDP lamp.Technical parameter:Voltage: 110V/ 220VFrequency:60Hz/50HzPower < 750WAzimuth ...