Designer and manufacturer of spotlight environmental Vmhvth a Vzdanfjar and LED has confirmed photometry of Tehran university and approved by technical organization scientific and industrial research of Iran and the international standards CE from Germany and an ISO 9001 – 2008 from France confirmation Ip 68 and Ip 65 Italy, Europe and the EU commission under the provisions of Explosion proof standard 94/9/EC numbers directory contains 96A TEX IEC FExd, IEC Ex