• Low Costs & High Efficiency: Vivosun VS4000 LED grow light uses full-spectrum diodes & brand driver for high energy efficiency with 2.9 μmol/J; Extremely high output but consumes only 400W of electricity
• Convenient Dimmable Lights: This LED grow light has a dimming knob & ballast, so it adapts to different plant growth stages by adjusting its output from 25% to 100%
• Sunlike Full-Spectrum Light: These VS4000 LEDs deliver the optimal full-spectrum coverage and power needed by your plants at all growth stages, supporting efficient photosynthesis for plants
• Low Noise & Low Heat: VS4000 LED grow lights have a power supply and ventilation holes; No fans needed means low noise; Ambient heat around this light is very low, so there are no burns or damage to your plants
• Warranty: Super durable and reusable; Comes with a pair of Vivosun US-patented rope hangers & 5-year after-sales service

• Product Dimensions ‏ : ‎ 23.5 x 23.5 x 2.9 inches; 17.46 Pounds
• Date First Available ‏ : ‎ August 26, 2020
• Manufacturer ‏ : ‎ VIVOSUN