Linear Fluorescent Bulb Bulb Base Type Miniature Bi-Pin (G5) Bulb Housing Glass Bulb Shape T5 Color Rendering Index 60 Color Temperature 4100K Lumens 930 lm Light Technology Fluorescent Nominal Length 2 ft Shatter-Resistant No Watts 13 W Voltage 90V AC Standards TCLP Compliant ANSI Code 2005-1 Amps 0.17 A Bulb Minimum Starting Temperature 32 Degrees F Bulb Start Type Preheat High Output No Overall Length 21 in Rated Life 8 000 hr Bulb Power Source Requires Separate Ballast