20W Halogen Bulbs 20 Watt T3 G4 Base 12 Volt Halogen Light Bulb 20W 12 Volt T3 JC Lamp for Landscape Track Lighting,G4 T3 Bi-Pin Base,Clear,Warm White,Pack of 10 - - Amazon.com
G4 2W Bi Pin Base LED Bulb AC/DC 12V 20W Halogen Equivalent Warm White 2700k Landscape Light rv, 210 Lumens, 8-Pack - Walmart.com
PHILIPS Halogen Bulb, MR16, 2-Pin (GU5.3), Lumens 205 lm, Standard Bulb Type, Watts 20 W - 492Z35|BC20MRC16/FL36 BAB - Grainger
G4 Bi-Pin LED Light Bulb - 20W Equivalent - 180 Lumens - 12V - Dimmable | Super Bright LEDs