With two great options in Floralytes, you will be able to light up any special occasion. Submersible Floralytes are great for using underwater centerpieces. These submersible lights have one ultra bright LED that will give off very vibrant color, they feature an on/off switch and have a replaceable battery that will allow them to last for up to 48 hours. Floralyte II is great for hanging from trees or even putting them in balloons for a little extra glow. Traditional floralytes have one ultra bright LED bulb that give off very vivid colors, these lights feature an on/off switch with a non-replaceable battery that allow you to have a fun glow for up to 48 hours.