Compact Fluorescent Lamps, Self Ballasted Screw In Lamp, HLX (Helix) Lamp Shape, Lamp Watts 23, Length 5.6 In., Lamp Designation 23MINITWIST/41, Cool White Lamp Tone, Incandescent Equivalent 100 Watts, Average Life 10000 Hours, 1600 Initial Lumens, 4100 Color Temp., Min. Starting Temp. 5 F, Voltage 120, 82 CRI, 1375 Mean Lumens, Standard Base, Long Life, Ambient Temp 77 Deg F, Non Dimmable, Product Contains Mercury, Refer To Applicable State Regulations for Disposition After Use, Case Quantity 6