Our led grow chips are made of high-quality and environmental-friendly material, non-toxic, safe and durable to use. Super brightness, high stability, excellent energy-saving effect and they could work for a long time up to 50000 hours if their working temperature is less than 70℃. Full Spectrum led chips and the wavelength is 380nm~840nm, suitable for all stages of plant growth, so they could make your plants grow thrive in night or even under the dark environment. Aluminum PCB has good features of heat dissipation, when the LED chip is fixed on aluminum layer of aluminum base PCB, the heat from chip can be spread out through aluminum layer rapidly. There are 2 types led chips could be selected for you, with PCB or without PCB, you could choose according to your demand.