ODETOJOY G4 LED Bulb Socket Halogen MR11 Base Ceremic Lamp Holder Socket Adapter, Miniature Bi-Pin Base Socket for G4 with 10cm Cable (10pcs) - Amazon.com
G4 LED Bulbs 12V 20W Halogen Bulb Replacement, HengBo G4 Bi Pin Base JC Type T3 Light Bulb Warm White 3000K for Under Cabinets Home Lights, Non-Dimmable, (Pack of 10) - Amazon.com
ZHENMING 110V- 130V G4 LED Bulb 120V Dimmable 3W(20W 30W Halogen Equivalent) Warm White 3000K Lamp (Cannot be Used at Low Voltage 12V) - Pack of 10 - Amazon.com
AIMEOKO G4 LED Bulb 12V (AC/DC) 2W - Warm White 2700K, Non-dimmable, Bi Pin Base, 10-Pack - Replace 10W-20W Halogen Bulbs for Home and Landscape Lighting - Amazon.com
G4 Halogen Bulb T3 20 Watt 280lm G4 Bi-Pin Bulb AC/DC12 Volt for Under Cabinet Puck Light, Chandeliers, Track Lighting,20W 12V Warm White 2700K (10 Pack) - Amazon.com
Vstar Q10/G4/CL/12V,G4 12V 20W Halogen Bulb T3 JC Type Bi-Pin Light,Clear, G4 Bi-pin Base, Halogen Light Bulb(20W 10Pack) - Amazon.com