LOWER COSTS & HIGH EFFICIENCY: VIVOSUN VS1000 LED grow lights use the latest LED plant light technology including Samsung LM301 Diodes, high-energy efficiency with 2.75 umol/J; Extremely high output but consumes only 100W of electricity. DIMMABLE BALLAST: The VS1000 LED plant lamp has a dimming knob that makes it adaptable to different growing periods of your plant; It can adapt to the growth needs of plants in different periods.The first choice for beginners and professional growers alike. SUNLIKE FULL-SPECTRUM LIGHTING: These VS 1000 full-spectrum LEDs deliver optimal light-spectrum coverage-more power for your blooms and maximum PAR output at various distances, with super-bright lights that your plants will love; This LED light increases yield while decreasing costs, especially if you compare it to HPS/CMH combos. LOW NOISE & LOW HEAT: The VS1000 LED has a unique appearance, with power supply and ventilation holes; No fans needed meaning low noise; Ambient heat is very low, so there is no need to worry about burns or damage to your plant; The heat is low enough so you can place the lamp directly above your plants. Safe to Use: The pair of grow room glasses in the package can protect your eyes when the light is turning on; The VIVOSUN US-patented rope hangers are easily attached to the indoor tent or other growing tools. Full Spectrums; 380nm-780nm, Rich 660nm. 11.8"Lx11.8" Wx2.2 H. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Grow Lighting & Accessories\Grow Light Kits". The seller is "vivosun_home" and is located in this country: US. This item can be shipped to United States.