SANSI LED Grow Lights for Indoor Plants, 450W Full Spectrum 3-Head Gooseneck Grow Lamp with Ceramic Tech., 30W Power Clip-on High PPFD Plant Light with Optical Lens, Lifetime Free Bulb Replacement

Higher Growing Power & Energy Saving: SANSI Grow lights offer high growing power of PPFD: 603 μmol/s/㎡@1ft. Through the lens for secondary scientific light distribution, improves light utilization, giving plants more supplementary light. Using only 30W of power, equivalent to 450W incandescent bulbs. Based on 18 hours per day usage, save up to Ninety PCT electricity, annual estimated cost 19.71. 360° Gooseneck & Full Spectrum: Making every plant covered by 360° surrounding light, actualize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm, suitable for every cycle of plant growth, effectively promote plant growth, and improves crop yield and quality. Providing 4000K daylight, color rendering index Ra is close to 100, infinitely close to natural light. Replaceable bulbs: Different from similar products on the market, the bulbs of this product can be replaced, which not only facilitates customers to replace broken bulbs at any time but also avoids wasting money to repurchase the whole grow light. Saving money and protecting the environment. Additionally, whole-life warranty for the bulb. Patented Ceramic Technology: Chip on Ceramic, SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solder the LED chip on the ceramic heat sink, effectively reducing the systematic thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, producing a SANSI bulb with higher light efficiency. Guarantees: ETL listed certification, quality and safety verified, 25,000 hours lifespan and whole-life warranty for the bulb. Attention Please: The maximum safety wattage rating is 10W for each head