Not enough info' to give a useful reply. I have one LED light, but it is a horticultural grow-lamp as a substitte for the 600 watt growlamps I also use, and the LED has a whole array of individual lights totalling 240watts. I also use a lightmover, so that the lamp comes and goes over individual plants to avoid burning.
I would think that if yours is a 2.4 watt unit - and 3 of those lights my shaving mirror very brightly, you might be ok . But hard to be sure.
Try it out. If the leaves start to turn red it is too much. If the plant does not grow visibly within a week, itis too little.