The Hi-Tech Lamps part number CF18CC/827GX53 is a 18 watt (18W) cold cathode compact fluorescent lamp (CCFL) made by Ushio. This lamp has maximum overall length of 2.4 inches and a diameter of 4.7 inches, with an GX53 twist and lock base. This CCFL has average life is 25000 hours. It has a color temperature of 2700 Kelvin (2700K), a color rendering index (CRI) of 82 and provides approximately 820 lumens (820 lm). This lamp is also known as Ushio CF18CC/2700/GX53 and 3000539.