Sunleaves VitaLUME Compact Fluorescents efficiently deliver a full spectrum light comparable to wavelengths found in sunlight. These internally-ballasted bulbs generate very little heat and can be placed closer to plants to maximize light exposure. Rated at 10,000 life-hours, 125-watt bulb produces 10,500 lumens and a color temperature of 6,400 kelvins. Requires a specialized socket – pair with the standard Sunleaves Comet for superior results.