Set of 40 modern white GU10 fire rated fixed pressed steel recessed downlights. Suitable for bedrooms, children's rooms, dining rooms, hallways, kitchens, living rooms, porches, study & utility rooms. 13.3 cm height x 8.5 cm diameter. Cut out required 6.5 cm.35W Max Wattage for flammable surfaces, 50W max Wattage on non-flammable surfaces. Fully tested for installation in 90 minute fire rated ceilings. This product is suitable for use with LED bulbs and when paired with a dimmable bulb can be dimmed. This product is compatible with most domestic smart light bulbs. Always check bulb length against product dimensions to confirm suitability.40 x 35W Max GU10 Halogen (required). Class I - Earthed for your safety. We take pride in supporting our customers and work hard to ensure you always receive a first class service. First Choice Lighting Set of 40 x White Fixed GU10 Fire Rated Recessed Downlights