Standard MR11 pin base. Install these Bulbs into all MR11 base fixtures directly. 1X or 2X or 4X or 6X or 10X MR11 LED Bulbs. Light Source: COB LED. DETAIL BILD. Save up to 89% energy and your bill by replacing 50 Watt incandescent bulb with our 5 Watt LED bulb.
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