COB 100W LED light, compact size, lightweight, temperature control fan, adjustable barn-door, and advanced dimmer system, its lens is 60 degrees and you also can add fresnel lens to change its beam angle into 25 degrees. For the temperature control fan, the fan will only work when the temperature of led board reach to 58-60 degree and, it will stop working when temperature under 40 degree.We can do warm white, pure white, RGB 3 IN1, and bi-color for the led source. Although its main body is ABS, other metal materials are environmentally friendly, if you want, we also can make it completely pass RoHS.Yellow River Professional Yellow river COB 100W LED Light YR-COB100W manufacturers,The products have passed the CE RoHS certification and obtained dozens of patents.