12-Pack MR11 Halogen Bulbs 12V 20W GU4 Dimmable 2700K Warm White for Ceiling Lights MR11 Halogen Bulbs (Pack of 12), GU4 Halogen Lamp 12V 20W, MR11 GU4 Dimmable Bulb with Glass Cover for Ceiling Light, 2 Pin Halogen Bulb 2700K Warm White MR11 12V Spot Halogen 34x36mm. 20W dimmable MR11 GU4 halogen bulb. Input voltage 12V. It is easy to confuse MR11 base and MR16 base. Please check carefully whether the voltage and dimension match before purchasing. Warm White Halogen Bulbs 2700K. Instant start. The light color is ideal for living and working spaces, providing a beautiful warm, even light for a comfortable and inviting atmosphere. GU4 bi-pin base, MR11 standard shape. Dimmable MR11 halogen bulbs are fully dimmable. Instant on without any delay. CRI > 90. No flickering, no strobe, no UV radiation. Helps protect your eyes. High Performance: The MR11 12V 20W bulb creates a comfortable and relaxing atmosphere. Ideal for living rooms, bedrooms, kitchens, hallways, shops, exhibitions, hotels, museums, restaurants, and more. Long Service Life: Operates up to 2500 hours, reducing the frequency of replacements. All products are guaranteed for 1 year. Please if you have any questions.