Realy bright LED source. I turned in my garden at night,as light as day. This LED is very hot and need big heatsink,like from the pc processor. I have an old projector and LED replacement was to be, the image was sufficient but there is a problem with cooling. LED was overheating and I did not destroy ... Read more
In comparison to a 400W metal halide, using the stock 100W PSU off dx:
*Relatively instant turn on (1 second), no heat up or cool down periods.
*Optics do not need cooling. *I ran a totally passive system with no fans (big custom aluminium heatsink filled with water to act as a heat pipe and painted ... Read more
This Led is Running in my hydroponic system. Got it the other day. Im very happy with the light output. You have to use a good size heat sink. I was very happy with the shipping time of this site. I did a test with this LED for a 24 hr time limit. I grew some Beans from 1in height to 4 inch hight in ... Read more
Many cool white LEDs have a blueish color and many warm white LEDs are greenish, but this one delivers what is claimed, a huge amount of pure white light. The LED is well built on a nickel-plated copper base. I measured the voltage using a laboratory PSU at 3 Amp and got only 31V on my Fluke meter. Considering ... Read more
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