Made of rigid plastic with ceramic lamp holder. These spotlights were manufactured in the Novalux factory, which Philips had in La Garriga (Barcelona). They are foldable and indoor. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I 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.