Set of 10 fire rated recessed tilt downlights with warm white LED light bulbs included. Suitable for bedrooms, children's rooms, dining rooms, hallways, kitchens, living rooms, porches, study & utility rooms. 11.3 cm height x 9.6 cm diameter x .3 cm projection. Cut out required 8.6 cm. Fully tested for installation in 90 minute fire rated ceilings. This product is suitable for use with LED bulbs. This product is compatible with most domestic smart light bulbs. Always check bulb length against product dimensions to confirm suitability. 10 x 4.2W LED GU10 (included). 2700K (Warm White). 360 Lm. 85.7 Lm/W. 15,000 Lifetime Hours. 80 CRI. Class I - Earthed for your safety.