Anyray&reg; A1741Y (5)-Pack 20 Watt G4 24V 20W 24 Volt C-6 20Watt Bi Pin T3 Halogen Light Bulb 5-bulbs 20 Watt G4 24V 20W 24 Volt 20Watts Bi Pin T3 Halogen Light Bulb Anyray # A1741Y Base: G4 Bi-Pin Base (4mm Millimeters between Pins) 20 Watt 24volt 24Volts Long Life: 2,500 Hours bulb life 20-Watts Clear Bulb T3 shape BI-PIN (2-pin) Dimmable