Materials The GU10 base is made of temperature-resistant ceramic and is resistant to high temperature connecting wires, flame retardant and has a higher safety factor. Double insulation One insulated pipe High temperature resistant is added to the safety silicone wire to prevent the wires from burning due to heat and prevent leakage current. Easy to install One-step installation, insert bulbs into the holes in the middle of the sockets, then twist and lock. The bulbs are held firmly and quickly connected to the power supply. Parameters: Voltage range: 0~250V; high temperature resistant ceramic (250); Electric power : 2 A, cable length: approx. 10.5 cm. For all lamps with GU10 base: The GU10 LED socket has two pre-drilled holes on the back. The GU10 lamp socket is compatible with all types of GU10 LED lamps, halogen bulbs and spotlights.