Base: MR11 GU4.0 Bi-pin base. It is great for outdoor landscape low votlage lights, such as MR11 spotlight, path lights, Christmas tree lights and more. Long-Lasting and Energy-Saving: Rated for 25,000+ hours of life, this LED bulb can replace a 20W MR11 halogen bulb, instantly saving energy consumption by over 85%.
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