FIRE RATED BATHROOM CEILING DOWNLIGHT: The Astro Pinhole Slimline Round Flush Fixed Fire-Rated IP65 Bathroom Downlight in Matt White is a contemporary design made from mild steel FIXED INTERIOR LED SPOTLIGHT: The Pinhole looks great in bathrooms or in any other interior space and is dimmable when paired with a dimmable GU10 bulb. Designed for installation into a new ceiling, before plastering MATT WHITE FINISH: Made from mild steel which offers a strong durable construction. Astro's 3 year guarantee reflects our confidence in the Pinhole's durability REQUIRES GU10 BULB: The Pinhole does not come with a bulb. You will require 1 x 6W Max LED GU10 bulb, with a maximum length of 73mm. A cut-out diameter of 62mm and a recess depth of 150mm is required FIXINGS & INSTRUCTIONS: All Astro products include comprehensive diagrammatic instructions