YiLighting (GU10 to E26/E27 Adapter) - GU10 Bayonet Base to E26/E27 Edison Screw Bulb Socket Adapter Converter - Amazon.com
GU10 to E26/E27 Light Sockets Adapter, Light Bulb Socket, Bulb Base Adapter, Converters Lamp Holder, Converts GU10 Pin Base Fixture to E26/E27 Standard Screw-in Socket (Pack of 5) - Amazon.com
RGBW GU10/GU5.3/E27 RGB White Led Bulb Light 16 Colors Change Spotlight AC 85-265V 5W Led Lamp +Remote controller - AliExpress
Wholesale Dimmable LED Spot Light GU10 Spotlight Housing MR16 E14 E27 Bulb Lamp 3W Replace 30W Halogen Lamps 110V 220V 240V home design From m.alibaba.com
LED reflector lamp, R63, E27, 230 V˜/8 W, LDL-278/WWS
What's the difference between B22, E14, E27 & GU10 Bulbs?
GU10 to E26/E27 Light Sockets Adapter, Light Bulb Socket, Bulb Base Adapter, Converters Lamp Holder, Converts GU10 Pin Base Fixture to E26/E27 Standard Screw-in Socket (Pack of 5) - Amazon.com
GU10 Base to E27 Base Socket Adapter | Super Bright LEDs