• High Efficiency - VIVOSUN VS4000 LED grow lights use the latest LED plant light technology including Samsung LM301 Diodes, high-energy efficiency with 2.9 μmol/J
• Lower Cost - Extremely high output but consumes only 400W of electricity, more efficient than traditional HID lamps and other plant lamps on the market
• Convenient Dimmable Ballast - VS4000 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%
• Sunlike Full-spectrum Light - The VS4000 full-spectrum LED delivers 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 VS4000 LED has a unique appearance, with a 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
• Easy to Use - It is super convenient for both beginners and professional growers
• What is Included - 1 of the VS4000 LED; 1 pair of grow glasses; 1 pair of VIVOSUN the US-patented rope hangers
• Warranty - VIVOSUN provides a 5-year after-sales service, please contact official@vivosun.com if you have warranty questions

Tech Spec

Fit Guide

Check the following fit chart to find how many VS1000 lights you need for your grow tent. For other Growing Space, VS1000 and VS2000 are available.