Sunlite 03425-SU Q20/CL/GY4/12V/CD2 20 Watt Halogen Single Ended T2.5 Bulb, 2 Pack 20 Watt, 12 Volt 2,000 Hour Average Lamp Life Bi-Pin (G4) Base Provides a bright, white halogen light Q20/CL/GY4/12V/CD2