450-460nm Blue PAR38 LED Bulb for aquariums, plant growth, laboratory use and more. High efficiency, quality components, sturdy construction. 50,000+ hour service life, 3-year manufacturer's warranty, assembled in the USA 15 bright high efficiency LED chips use a true 24W of power. An integrated ball-bearing fan quietly cools allowing for the higher power. Fits a standard household E26 socket. 100-240V AC input. LEDs: 15x 450-460nm