California LightWorks SolarXtreme 500 LED Grow Light - 400W COB System - 120VThe Ultimate Tent Light! New Series FULL SPECTRUM COB LEDs The SolarXtreme 250 covers up to a 3 x 3 canopy area and is one of the easiest to use full spectrum LED grow lights. For grow tents and smaller scale home growing, just at 200 watts. High efficiency LEDs at a much lower cost than traditional LEDs. Users, therefore, benefit from full spectrum grow lights that accommodate all stages of plant growth and flowering for many types of indoor plants.