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Top Features 2022 NEW VERSION LOWER RUNNING COSTS HIGHER-QUALITY YIELDS: SPIDER FARMER SF4000 LED Grow Lights utilize the latest in high yielding LEDs technology today-Samsung LM301B diodes high Energy Efficiency with 2.7 umol/J delivers powerful light output and uniform canopy penetration to resulting maximum higher yields. Only consumes 450w running 50% less power than the HPS or other SMD LEDs or Blurple lamps. Veg coverage is 5 x 5 ft Flowering coverage is 4 x4 ft. NEW DIODES ARRANGEMENT DIMMING DESIGN: Upgraded SF4000 growing lights. The diodes arrangement gathered at the edge makes the PPFD more uniform and the dimming knob be adjusted the light intensity at liberty. Multi-light Connection with unified dimming especially beneficial for large area of indoor plant growing and commercial planting. IDEAL FOR ALL GROWTH STAGES: Excellent full spectrum LED grow light- white blue red and IR 3000K 5000K 660nm and IR 760nm. 3000K diodes providing more reddish light and the 5000K providing more blueish. The 660nm red and IR light is especially useful during bloom where it speeds up flowering time and boost yields. Turn your seeds into your own supply. And the grow lights for indoor plants looks fairly natural so its good for accurately monitoring plant health. WELL MADE SOLID CONSTRUCTION: No Fan Noise Free. High Safety performance Driver Fair Waterproofing. Update aluminum material is thick and sturdy doesnt put out a tremendous amount of heat high-quality protective covers for cables; User-Friendly Packaging. Quality components mean the light lasts longer but they also save you money. As a professional manufacturer of Led grow lights for more than 10 years. Spider Farmer has always insisted on creating more efficient suitable and high-quality home planting equipment for plant growth and strives to become a trusted partner for every grower! You will get a Spider Farmer SF4000 grow light instruction manual a pair of silver hooks a pair of black hangers. Warm Tips:1. Do NOT touch while in operation.2. To prevent eye damage avoid looking directly at the LEDs.3. In summer or other hot environments please use a cooling fan to keep a suitable temperature for your plants. Specification SF4000 Spectrum 660-665nm3000K5000K760nm IR LED 1212 pcs SAMSUNG LM301B PPF 1217umol/s PPE 2.7 umol/J Power draw 450W5%@AC100-277V Coverage Max Coverage:5x5ft Core Coverage:4x4ft Lumen 79296Lm5%@AC120V 79095Lm5%@AC240V 79395Lm5%@AC277V Light Size 648*536*50MM Package Size 705*600*120MM Gross Weight 8.77KG DB 0dB Input Voltage AC100-277V Amp 3.787A@AC120V 1.864A@AC240V 1.641A@AC277V Operating Temperature -20-35 Frequency 50-60HZ HPS/MH Replace 600W Certification CEULETL Package Include 1x SF4000 LED Grow Light with dimmer box 1x Power Cord 2x Hanging Kits x Rope Rachets 1x Daisy Chain 1x User Manual Btu 1535 Btu/h