Premium Aluminum GU10 Downlight 10 Pack: Industrial grade aluminum material, high quality, exquisite workmanship, different from cheap metal materials, aluminum material is high temperature resistant, good heat dissipation. heat, not easy to rust, durable. to dirt, no scratches. The Spotlights mounting frame has flat edges for an aesthetic appearance that guarantees long-lasting use. Widely used in many occasions: GU10 recessed spot holder with matte white treatment, round and exquisite modern appearance, IP20 suitable for ceiling or wall, indoor, kitchen, living room, bedroom, office, shopping center, hotel, bar, storage room, dryer, etc. Easy to install and replace: led spotlight kit gu10 230=V, no transformer needed, strong spring with high contact pressure, flat and won't hurt your hands. Inner ring snaps allow for easy installation and replacement of GU10 bulbs, allowing you to install them in minutes. Outside diameter : 80mm, opening: 65mm (min 60mm, max 70mm), installation depth with light source: approx. 70mm. Choose your favorite GU10 bulb: The White Mounting Frame does not include the bulb, you are free to choose any 50mm diameter GU10 or MR16 bulb, LED module, LED, halogen, RGB, WiFi GU10 bulb, etc.