The red LEDs, 620-630 nanometers, are designed for maximum bud development, flowering, and fruit growth Pulls a true 26W of power at the wall 50,000+ hour service life, 3 year manufacturer's warranty, assembled in the USA An integrated ball-bearing fan quietly cools allowing for the higher power, Fits a standard household E26 socket 100-240V AC input LEDs: 18pcs 620-630nm Red, Drive current: 550mA 18x3W Class, Beam Angle: 60 degree