I purchased this light off Amazon, worked great for wreck video but worthless on reefs. Make sure to get the Backscatter Flip5 filters for the reefs.
https://www.amazon.com/gp/product/B01FD3QQBU/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B01MQWHH12/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B01FD3QQBU/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B01MQWHH12/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1