Set of 12 modern brushed steel GU10 fire rated recessed downlights. Suitable for hallways, kitchens, living rooms & utility rooms. 12 cm height x 8.6 cm diameter. Cut out required 7.2 cm. 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. 12 x 50W Max GU10 Halogen (required). Class I - Earthed for your safety. With our 1 year warranty, we offer the highest level of customer service; we take pride in supporting our customers, and work hard to ensure you always receive a first class service.