ROUND CEILING DOWNLIGHT: The Astro Minima Round Adjustable Indoor downlight finished in matt black features a simple and understated design made from steel ADJUSTABLE INTERIOR LED SPOTLIGHT: This downlight looks great in a kitchen or any living area, giving directional light that can be dimmed when paired with a dimmable GU10 bulb. With 40° tilt adjustment angle and 360° rotation adjustment angle MATT BLACK FINISH: Made from a steel construction, the Minima is a high-quality, durable ceiling light and is supplied with Astro's 3-year guarantee REQUIRES GU10 BULB: The Minima require 1 x 6W Max LED GU10 bulb (maximum length of 80mm), which you will need to purchase separately. A cut-out diameter of 76mm / 3in and a recess depth of 150mm is required FIXINGS & INSTRUCTIONS: All Astro products are supplied with clear and comprehensive instructions for installation SMART BULB COMPATIBLE: This product is compatible with most domestic smart light bulbs. Please check bulb length against product dimensions to confirm suitability