Advantage: High Efficiency Optimized for PAR, Extremely Sufficient Lights Spectrum, Super Light Penetration Plants grow faster and flower bigger: Enhanced spectral output covering full PAR (400-730nm) promotes photosynthesis for Growth & Bloomming, High Efficiency Powerful 10Watt BridgeLux/ Epistar LEDs, Low Energy Consumption Powerful Cooling fan system inside, Cool and Quieter Revolutionary Heat Aluminium PCB, Run 80% cooler than high intensity discharge (HID) lights 1pcs Strong Hanging Kits are available for Easy Installation All LEDs with a Zener to ensure One LED Goes Out the Rest Continue to Operate 3years Long Life Span, Energy Saving and Environmental Protectio All Types of Plants: Medical plants, tomatoes, peppers, chills, lettuce, orchids, strawberry, bonsai, flowers, herbs, v.