Ideal for 90-Minute Ceilings & Solid-Joists and I-Joists This LED downlight is fire-rated to 90 minutes of protection. This means the hole you trim to install your lights is fully resealed, and your ceiling is reinforced to prolong the time when the fire will spread (in this case, by 90 minutes). Only a fire-rated downlight like this fitting has the ability to do so because it's made with an intumescent pad that activates when exposed to a particular temperature. When triggered, the pad expands, sealing off all possible entry points surrounding the fixture. Besides that, this LED downlight is suitable for solid joists and I-joists , which not many lighting fixtures can offer. So, if you want your home to have complete fire protection, get this LED downlight! Quick and Easy to Mount - Has Loop-In/Out Connectors & Mains Powered When it comes to installation, this LED downlight will not give you a hard time because it's made with features that streamline the process! If you prepare all the necessary tools and equipment and read through the mounting guide, you can expect everything to progress smoothly! This LED downlight has a large screwless terminal block and quick connectors , enabling you to do a quick loop-in/out connection! Also, it s mains powered , so you don't need to purchase a separate LED driver or transformer to make it run! After you trim the 65mm - 75mm cut-out hole , you can wire your fixtures directly to the mains circuit, add a bulb, and you're finished! If you're not confident doing the installation yourself, please contact an electrician! Comes with a 5w GU10 LED Bulb - Dimmable with Cool White Light (6000K) When you purchase this option, you ll get a dimmable GU10 LED bulb together with the LED downlight . The bulb only requires 5w of power to produce a 450 lumens maximum brightness with a wide 110-degree beam angle . Since it s energy-efficient, even if you use your lights for more than eight hours, it will not make your electricity bill will not be too overwhelming! Aside from that, the GU10 LED bulb that you'll get with this LED downlight has a cool white colour temperature . Unlike warm white, which has a yellowish tint that's reminiscent of an old incandescent bulb, and natural white light that has no hints of blue or yellow, cool white light has a crisp bluish shade that is mainly used for task lighting. Insulation Coverable (Maximum 7w GU10 LED Lamp) While some lighting fixtures are insulation coverable, not all are the same. Therefore, carefully read the product description and technical specifications before installing and using your lights. You don't want the thing that you expect to protect your home to be the hazard that'll put it at risk! This LED downlight is insulation coverable . However, there's a condition that you should follow. You can only put insulation over your downlights if you use it with a GU10 LED bulb that doesn't exceed a maximum of 7w of power . If you pair it with a bulb...