Diameter: 50 mm features: A mains voltage halogen lamp with aluminised reflector and sealed front offering a high standard of performance and reliability Volts 240 Watts 35 GU10 Spot Bulb Ideal for use in accent and decorative lighting in both domestic and commercial applications High light output without the need for a transformer Tempered cover glass keeps capsule free of contamination and provides extra safety Aluminised reflector directs the majority of the heat through the front of the lamp reducing risk to fittings Dimmable with standard dimmer switches Good colour rendering Universal burning position UV stop material to reduce UV emissions