Lumitec Mantis Underwater Add-On Light 
Mantis Underwater Add-On Light
Add an additional light to expand the standard Mantis Dock Lighting System from a 3 light kit to a 4 light package. All necessary mounting hardware, Zip-Mount™ ties and cabling are supplied with the add-on light option package. Each Mantis Dock Lighting Kit can accommodate up to a maximum of 4 lights, to add addition lights, additional kits will need to be purchased (4 light maximum per kit).
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Quick Guide (pdf)