Anyray&reg; A1739Y (3)-Pack 12v 20W Halogen Replacement Bulb T3 bi pin 12 Volt 20 Watt Anyray # A1739Y Halogen light bulbs For 12 Volt G4 Enclosed Fixtures low Voltage 20 Watt Pack of 3 bulbs 20W G4 2-pins Base, T3 shape 2500 hours ave life Bright, white light