The Hi-Tech Lamps part number CFL24SE/830-U is a 24 watt (24W), biaxial fluorescent lamp made by Ushio. This lamp has a maximum overall length of 326mm and a 2G11 four pin base. The average lifetime is 12000 hours. This lamp has a color temperature of 3000 Kelvin (3000K), and has an initial output of approximately 1800 lumens. This lamp can be used with either Instant Start or Rapid Start ballast and is also known as Ushio CF-L24SE/830 and 3000405.