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Best to Buy® (6-Pack) Brightest 3-Watt G4 LED Bulb 12V AC/DC, 48 SMD 3014 LED, 3W Blue Color (Jc10 Bi-pin 20W Replacement) - Amazon.com
Dimmable G4 LED COB Lamp 3W 4W 6W 8W Bulb AC DC 12V Glass G4 LED Light Replace 15W 20W 25W 30W Halogen for Chandelier Spotlight - AliExpress