These LED underwater video lights are waterproof to a depth of 60M/195ft, which makes them ideal for diving photography. They have a built-in 7.4V 1100mAh rechargeable Li-ion battery and can be easily recharged with the included USB cable. The long working time ensures that you can take wonderful pictures of sea creatures in your favorite places without worrying about running out of power.
The 60m LED Underwater Video Lights is the yin, to your yang. You've found what you're looking for.