660nm 3w high power led . Power saving;long service time; High illumination:30-40Lm. HIgh quality with good price; 660nm high power 3w red led diodesThe features of high power led.1.angle: 140 degree.other available degree:90,120,140,160 and 175 degree.2.color:white,yellow,green,blue,red,RGB,Bi-color .3.life time:100,000+hours4.available power:0.5w,1w,3w.5.luminous intensity:30-40Lm.6.no RF ...