GU4 LED Bulbs

GU4 Bulbs are the base for the MR11 Bulb shape. A low voltage lamp, the cap has two pins 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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