MR11
MR11 Bulbs are smaller in comparison to MR16 and also known as GU4. These low voltage lamps have a two pin base separated by a 2mm gap. The MR11/GU4 is a spotlight style bulb measuring 33mm in diameter. Since GU4 LED Bulbs operate at 12 volts, they'll need a transformer to ensure they function correctly.
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MR11 Bulbs are smaller in comparison to MR16 and also known as GU4. These low voltage lamps have a two pin base separated by a 2mm gap. The MR11/GU4 is a spotlight style bulb measuring 33mm in diameter. Since GU4 LED Bulbs operate at 12 volts, they'll need a transformer to ensure they function correctly.