The MiracleLED growth starter is a technological leap ahead for the indoor garden. The blue light spectrum is designed to promote early stage plant growth. Sips just 9 watts of electricity and replaces up to 100W old hot-running incandescent floods. Nearly zero heat output, MiracleLED up to 10x longer life than standard bulbs, nice blue spectrum light promotes early growth and contains no mercury & emits no UV. Chemical-free indoor growing is perfect for many different environments such as: small kitchen herb gardens, apartments with limited sunlight, basement fruit/vegetable gardens... anywhere you want to grow.