Quality, Value, Experience from Trusted UK Seller Adjustable high-voltage spot EURO SPOT with suitable adapter for the 3-phase 240V track system. Thanks to the GU10 socket installed in the cylindrical aluminium lamp head, the luminaire is suitable for halogen and LED lamps with a diameter of up to approx. 11.1 cm. This luminaire is suitable for lamps of energy classes: E - A++ ES111 Lamp not included.