Mars Hydro 150W 2x3 LED Grow Light (SP150)

Waterproof LED board for the Mars SP150 growing lamp, make it can work within high humidity greenhouse growing environment, 50% longer lifespan compare with other brand lights. Product Details Specifications Full Spectrum: Designed to provide the optimal full spectrum of light that plants need from seed to harvest. Great for all growth stages: Newest SMD LED technology can get average yield at 1.8g/w (power draw), 2.75μmol/J increase your yield 50% compare with other 250w old led grow lights, uniform PAR value at average 516umol/m²/s at 18'' height. Surperior Cooling Indoor Plants Light: All casing is a heat sink and Fanless design will make your growing life easy and quiet. NO ANY NOISE. Suitable for indoor plants growing. Coverage: One perfect for 2x2ft grow tent and four for 4x4ft grow box. ATTENTION Please: Extremely bright therefore do not look directly at the LED bulbs when the light is on. Indoor use only since it is not waterproof. This light includes IR (In