High efficiency, quality components, and sturdy construction make the ABI red LED grow light the best choice for enhancing your grow environment. The red LEDs (620-630 nanometers) are designed for maximum bud development, flowering, and fruit growth. This bulb is assembled in the USA and is backed by a 3-year manufacturers warranty. 18 high power LED chips use a true 26W of power. An integrated ball-bearing cooling fan quietly keeps the temperature down allowing the power to be cranked up to a level that would not otherwise be possible with a bulb this size.