Because LED GROW LIGHT ULTRAGROW seriesis one of Vleadtek's  most important products that we have launched in ***4, we have taken many factors into consideration. The whole body is made of aluminum which will regulate the dissipation of heat. This device is very stable and durable and you can change the spectrum easily at any stage of the plant growth. The lens has also been improved and it can penetrate deep into the canopy. With 2 to 3 times the strength of normal LED grow lights this device is worth a try.