Supplement, correct, or enhance an LED grow environment with 25W of 660nm red light. Promotes flowering / bloom and bud growth. Pulls a true 25W of power at the wall. Produces as much light as what other sellers are calling 54W. 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 660nm Deep Red, Drive current: 550mA (18x3W Class), Beam Angle: 60-degree, PPF: 38.3µmol/s, Photon Efficiency: 1.53µmol/J