SANSI LED Grow Lights for Indoor Plants, 600W Full Spectrum Clip-on Gooseneck Grow Light with Ceramic Tech.,40W Plant Light for Indoor Growing High PPFD, Lifetime Free Bulb Replacement White, No Timer

THE SECONDARY OPTICAL DESIGN: PPFD: 804 μmol/s/㎡@1ft. Through the lens for secondary scientific light distribution, improves light utilization, giving plants more supplementary light. Using only 40 watt of power, equivalent to 600W incandescent bulbs. Based on 18 hours per day usage, save up to 90 percent electricity. 360 DEGREES GOOSENECK AND FULL SPECTRUM: Making every plant covered by 360 degrees 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 resource to repurchase the whole grow light. Whole-life warranty for the grow 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 for the bulb. Attention Please: The maximum safety wattage rating is 10 watt for each head