AC/DC 12 Volt 4 Watt LED Light Spot Bulb MR16 GU5.3 Bi Pin Track Lamp - 12VMonster Lighting
AliExpress
Feit Electric 65-Watt Equivalent BR40 Dimmable CEC ENERGY STAR Enhance 90+ CRI Recessed Flood LED Light Bulb, Daylight (12-Pack) BR40DM/950CA/2/6 - The Home Depot
Miracle LED Miracle Led Designer Spot Light Bulb Pink - Walmart.com
Led Light Bulbs, 16 Colour Changing 5w Dimmable Warm White Rgb Led Spot Light Bulb With Remote Control - Led Bulbs & Tubes - AliExpress
Rysa Light Pack of 10 LED PAR16 Spot Light Bulbs,5.5W (50W Equivalent),Warm White 2700K,E26 Base Dimmable Spotlight, 38°Track Light Bulb - - Amazon.com
Luxrite 120-Watt EQ LED Par38 Bright White Medium Base (e-26) Dimmable Spotlight Light Bulb (6-Pack) in the Spot & Flood LED Light Bulbs department at Lowes.com