This is a great easy to carry system that allows you to see what's down below. Whether it's for fishing or just research, this inexpensive starter kit is a great way to go! The rechargeable battery allows you to use this for up to 14 hours without a need for any electric outlets. It is also expandable so you can add another camera as well.
The camera also has the ability to rotate 360 degrees so you can see everything around the camera in a COMPLETE circle!