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. - cis2:mm5mnJlm -Quick Guide (pdf)