The owner of Keldan Lights, Daniel Keller, shows off his latest gadget to Adam Hanlon on Wetpixel Live. Using ultrasound, the RC1 can control multiple lights remotely even if they are not within the “line of sight.”

Wetpixel Live is a series of discussions that aim to answer some of the questions that frequently crop up on the Wetpixel Forum. With nearly 120 episodes posted and many more being created daily, they are a resource for all underwater photographers. Please subscribe to the Wetpixel Live channel to be informed when new episodes are posted.