* Breaks thru grey days * Lasts up to 6 times longer than regular bulbs * Like sunlight in your home! * 750 lumens * Full Spectrum Light Bulb * 5000 hours guaranteed Unlike ordinary bulbs-Blues Buster"s special glass filters out brown colors so even when it"s grey or dark outside - it"s like sunlight in your home! Blues Buster"s superior quality provides up to 5,000 hours of light - 6 times longer than ordinary bulbs! Blues Buster"s full spectrum light bulb promotes a natural healthy environment in your home! Blues Buster, a full spectrum light bulb, uses special glass to simulate daylight in your home