Incandescent Bulb Bulb Base Type Single Contact Miniature Flanged (P13.5s) Bulb Housing Glass/Metal Bulb Shape T1-3/4 Bulb Finish Clear Color Rendering Index 100 Color Temperature 2700K Lumens 4 lm Light Technology Incandescent Shatter-Resistant No Trade Number 387 Voltage 28V AC Watts 1 W Bulb Beam Angle Not Applicable Rated Life 7 000 hr Dimmable Yes Light Color White Overall Length 5/8 in Standards Meets 2012 Lighting Legislation Energy Standards