This 2-pin GE 13 watt twin lamp is appropriate for use in magnetically-ballasted fixtures. It has an integral electronic starter to provide instant start lighting, without the initial flicker common with magnetically-ballasted fixtures. This model has a 2,700 degree Kelvin color temperature, which is a "warm white" color. Average Rated Life: 10,000 hours Base: GX23 Initial Lumens: 900 lumens Color Rendering: 82 CRI Length: 7.3 inches (184 mm) Power: 120 volts AC, 60Hz Origin: Hungary