The California Light Works SolarSystem 550 is a game changer for LED grow lights. The CLW SolarSystem 550 is a high power veg and bloom light that draws 400 watts and will replace a 600 watt HPS light. The CLW SolarSystem 550 features fully programmable spectrum control which enhances plant growth and increases yield. Three separate spectrum channels can be programmed be the day, week or season to best match natural sunlight. Includes grower proven pre-set lighting programs. Key features include: High power LEDs for best yields in bloom - 400 watt draw on full power Fully programmable spectrum control - daily, weekly or over the seasons Chain multiple lights together using a single controller Automatic voltage recognition from 90 to 277 volts Small foot print for minimum shadow effect in greenhouses UL Approved Water resistant 5-year warranty Product Includes: Solar System 550 LED fixture Power cord Communications cable Programmable Spectrum Control Fully programmable central controller automatically controls hundreds of lights. Includes grower proven pre-set lighting programs Customizable for any crop or grow strategy Communicates with environmental controllers and light sensors for maximum efficiency Smart spectrum control reduces power usage and increases crop quality High Efficiency. Low Maintenance. Over 40% power savings vs. HID lights. NEVER change bulbs again NO ducting required Compact design minimizes shadow effect in greenhouses Lightweight & easy to install Highest Reliability. Best Support. Robust, proven design. Made in California. Highest quality OSRAM SSL LEDs High performance custom drivers Bulletproof active heat management Local support and grow room design 5 Year Warranty – made in California UL listed