I do not know as they are pre wired with the resister installed and shrink wrapped . I will be buying them from Amazon and they do not list the specs and some are different colors mostly white blue and some red . I will be using them with fiber optics so I only need aprox. 10 leds not 30 .
I am going to start A new project and for the first time will be using LEDs .I plan on using up to 30 pre wired 3mm and 5mm supper bright leds and fiber optics with A 9V 2A power supply . Is this power supply sufficient to power these leds? With all the garbage for sale on the internet which...