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Halogen Lamps VS. LED Light Bulbs: What's The Difference?
Small G4 Bi-Pin LED Lamp (2W, Red) (15W Equivalent) | AMP Lighting
JSVSAL (6-Pack Dimmable MR11 GU10 35mm Mini LED Light Bulbs,4000K Natural White, AC 120V, 3W GU10 Base Spotlight Bulbs Replace 25-35W Small Halogen Bulb for mr11 Track Lighting - Amazon.com