"<p>Excellent qualityAluminum alloy housing for greater resistance, preventing it from rusting in humid environments. Equipped with efficient cooling systems in terms of heat dissipation. Do not require transformer, operate directly on a 230 volt power supply. Simple and quick installationDimensions: Diameter: 84mm;ceiling cutout: 70-75mm; Thickness: 28mm. With a thickness of only 28mm, these recessed spotlights are perfect for easy installation in false ceilings.; to the terminal blocks provided in the pack, installation becomes even simpler and faster. Energy SavingReduce and save up to 90% of your electricity consumption with these LED bulbs Not only!they are the equivalent of 50 W halogen bulbs with lower consumption, but in addition to that they have a lifespan of 30,000 hours, or 6 times longer than a traditional bulb. AdjustableThese recessed ceiling lights are adjustable up to 40, with 120 lighting in order toensure optimal brightness for all types of rooms such as bedrooms, living rooms, kitchens, hallways, with up to 98% transmittance