Lower Costs & High Efficiency: VIVOSUN VS2000 LED grow lights use the latest LED plant light technology including Samsung LM301H Diodes, high-energy efficiency with 2.9 umol/J; Extremely high output but consumes only 200W of electricity. Convenient Dimmable Ballast: This LED grow light has a dimming knob that makes it adaptable to different growing periods of your plant by adjusting its output from 40% to 100%; It is super convenient for both beginners and professional growers.Sunlike Full-Spectrum Light: These VS2000 full-spectrum LEDs deliver optimal full-spectrum coverage-offering power needed by your plants at all growth stages and maximum PAR output at various distances, supporting photosynthesis of your plants in an efficient way. Low Noise & Low Heat: The VS2000 LED has a unique appearance, with power supply and ventilation holes; No fans needed means low noise; Ambient heat around this light is very low, so there is no need to worry about burns or damage to your plant; It produces mild heat so you can place the lamp directly above your plants. Max coverage area: 5x5ft(Core:4x4ft). Package include:1x LED grow light; 1xGrow Room Glasses; 1x carabiners; 1x 6ft 120V power cord. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Grow Lighting & Accessories\Grow Lights & Light Bulbs". The seller is "vivosun_home" and is located in this country: US. This item can be shipped to United States.