Miniature Halogen Bulb, Bulb Base Type Right Angle Prefocus (PY20d), Bulb Beam Angle Not Applicable, Bulb Dia. 1/2 in, Bulb Housing Glass, Bulb Shape T4, Color Rendering Index Not Applicable, Color Temperature 3600K, Incandescent Wattage Equivalency 45 W, Lumens 800 lm, Light Technology Halogen, Overall Length 3 in, Shatter- No, Trade Number H10, Voltage 12V, Watts 45 W, Rated Life 1,000 hr, Bulb Finish Clear, Dimmable No, For Enclosed Fixtures No, Three-Way No, Light Color White