1. 3W led chip. 2. 60 90 120 degree lenses. 3. Silence fan, special cover design in four corner. 4. Aluminum cooling system, Unique heat dissipation, optics, structure, power design, pure aluminum, led temperature below 40°. 5 . 20% PAR and design idea higher than industry same level which we use original import chips, special lens deisgn, driver efficiency above 90%. 6 . Convenient maintenance, automatic production, 3 years warranty. 7. Best for growing, flowering, fruiting etc. Full spectrum(12 band) recommended. 8. Patend Product.