FIRE RATED BATHROOM SQUARE CEILING DOWNLIGHT: The Astro Trimless Square Fixed Fire-Rated IP65 bathroom downlight in matt white is a simple design that must be installed before plastering. This light blends seamlessly into the ceiling FIXED INTERIOR LED SPOTLIGHT: This recessed LED GU10 spot light can be used in multiples for ambient downlighting. The Trimless is suitable for all living areas, including bathrooms and can be dimmed when paired with a dimmable LED GU10 bulb MATT WHITE FINISH: Made from a steel construction, the Trimless is a high-quality, durable downlight, supplied with Astro's 3 year guarantee REQUIRES GU10 BULB: The Trimless does not come with a bulb and will require 1 x 6W Max LED GU10 MR16 shaped bulb, with a maximum length of 57mm. A 95mm x 95mm cut-out, 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