GRASS LAND Grow Lights with Samsung LM301B Diodes Daisy Chain Dimmable QF4000W Full Spectrum LED Plant Growing Lamps…

High Efficiency & Energy Saving: QF4000 LED Grow Light has 1212 pcs SAMSUNG LM301 diodes, high energy efficiency with 2.83 μmol/J, providing more powerful light output. The light power is only 450W and more Energy Saving than the HID, HPS lamps or other SMD LEDs. Its vegetable coverage is 5 x 5 feet, flowering coverage is 4 x 4 feet.
Freely Dimming & Multi-Light Daisy Chain: Multi-light connection supports up to 25 lights of different Grass Land models. Adjust multiple lights with one dimmer knob, which is perfect for planting with multiple lights. Light intensity can be freely adjusted with the stepless dimmer knob from 0% to 100%.
Full Spectrum for All Growth Stages: Red Light (660-665nm), Far Infrared Light (FIR 730-745nm), Blue White Light (5,000K), Warm White Light (3,000K). Full spectrum design is perfect for all stages of plant growth and all seasons of plants, and enable the high-quality growth. [Note: FIR LED is dimmer than other red LEDs.]
Low Heat & Noise Free: Advanced Cooling Design of perforated light panel and lifted driver. No worries about lamp heat! Non-Fan Design provides a quiet working environment.
10-YEAR WARRANTY & LIFETIME Technical Support: We provide you with a 10-YEAR WARRANTY and LIFETIME technical support. With the premium quality, we are confident that GRASS LAND full spectrum grow light will meet all of your indoor growing demands.