Innovative light made of Pyroplex glass TM. Light transmittance of of Pyroplex is about 90% instead of opaline glass about 50%. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution, Up to 250V (Europe/UK Standard).The wiring of this item may be original and might need replacement, if not specified otherwise.