Lamp Small G4 Socket, Small Gu4.0 Socket, Halogen G4 Base - Lamp Bases - AliExpress
MJIUZHOU 5 Pack G4 12V LED Light Bulbs, 4W (40w 30w Halogen Equivalent) Warm White 3000k AC DC 400 LM, G4 JC T3 Bi-Pin Base Bulb for Home and Landscape Lighting - -
Sennheiser EW 300 G4-BASE COMBO Wireless EW 300 G4-BASE
G4 base Specialty Light Bulbs at Lowes.com
G4 Base Porcelain Lamp Socket with 1/8ips Threaded Brass Skirt
Feit Electric 20-Watt 12-Volt T3 JC G4 Bi-Pin Base Dimmable Landscape Garden Halogen Light Bulb, 2800K Bright White (12-Pack) BPLVQ20T3/2/HDRP/6 - The Home Depot