[2PCS] Spider Farmer SF4000 LED Grow Light With Dimmer Knob 2021 new version QB

• Specification：SF-4000
• Spectrum:660-665nm,3000K,5000K, IR 760nm
• Par Value:11156.50umol/S
• Coverage:Veg: 5x5ft Flower:4x4ft
• Lumen:79296Lm±5%@AC120V 79095Lm±5%@AC240V 79395Lm±5%@AC277V
• Power draw:456.9W±5%@AC120V 438.2W±5%@AC240V 439.8W±5%@AC277V
• Light Size:648*536*59MM
• Package Size:703*590*115MM
• Gross Weight: 8.766KGDB 0dB
• Input Voltage: AC100-277V
• Amp: 3.787A@AC120V 1.90A@AC240V 1.641A@AC277V
• Frequency: 50-60HZ
• LED: 1212pcs

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.

TOP FEATURES

Lower Running Cost & Higher-Quality Yields: Samsung LM301 diodes, high Energy Efficiency with 2.7 umol/J, create the better canopy light penetration. SF4000 only consumes 400w, running 50% less power than the HPS or Blurple lamps, and still was 50% more harvest. 

Customized Dimming Design: Upgraded SF series growing lights have a dimming knob and light switch. A single light can be adjusted the light intensity at liberty. Multi-light Connection with unified dimming especially beneficial for large areas of indoor growing and commercial planting.

Ideal For All Growth Stages: Excellent full-spectrum- white, blue, red, and IR (3000K, 5000K, 660nm, and IR 760nm). 3000K diodes providing more reddish light and 5000K providing more blueish. The 660nm red and IR light is especially useful during bloom, where it speeds up flowering time and boosts yields. Turn your seeds into your own supply. And the light looks fairly natural, so it's good for accurately monitoring plant health.

Well Made & Solid Construction: No Fan Noise Free. High Safety performance MEAN WELL Driver, Fair Waterproofing. Update aluminum board is thick and sturdy, doesn't 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.

Value For The Money: SPIDER FARMER LED Plant Lights are often copied but will never have our quality or commitment, we provide 5 years of after-service of local maintenance center(US/CA/UK/DE). Make sure you purchase authentic Spider Farmer grow lights, really can give you need from high-quality grow lights – at a price that is affordable. For any questions, feel free to e-mail us and we will help you resolve them. Quality backed by our ironclad!