These economical LED grow lights are great for indoor seed starting and supplemental lighting in your greenhouse. The full spectrum light produces wavelengths between 380 and 700 nanometers and is great for vegetative growth through budding and flowering. Lights use 19 watts of power and are rated up to 25,000 hours. Fixtures have been rated for high humidity use. For propagation one light covers a 4’x4’ area when 6-12” above plants. Fixtures have a 5’ power cord and an on/off switch. Lights can be plugged into one another to daisy chain up to 8 fixtures together from one power outlet. Fixture comes with 6” wire hanger or can be flush mounted. 3 year manufacturer’s warranty.