Halogen JC Type Light Bulb G4 Base 12 Volt 20 Watt - JC G4 12V 20W Pack of 3 Bulbs Go to amazon.com Related posts Which is the best halogen bulbs g4? FeatureJC G4 12 Volts 20 WattsHalogen High LumensBI-PIN039612120509 Descriptionpack of 3 - JC G4 Type Halogen bulbs with a clear base. High lumens. Long Life.