Incandescent Bulb Bulb Base Type 2-Pin (M-23) Bulb Housing Glass Bulb Shape T1-3/4 Bulb Finish Clear Color Rendering Index Not Applicable Color Temperature 2800K Lumens 4 lm Light Technology Incandescent Shatter-Resistant No Trade Number 7387 Voltage 28V AC Watts 1 W Bulb Beam Angle Not Applicable Rated Life 7 000 hr Dimmable No For Enclosed Fixtures No Three-Way No Light Color White Indoor/Outdoor Usage Indoor Only Overall Length 39/64 in