there are legal reasons boat dont have headlights
docking lights are permitted only for docking (HUGE fine if caught navigating with them on), however then again, if your loading on a trailer, the tail-lights from the truck provide more than enough light to see what you are doing.
I used these mounted to front of toon.
very low profile, low battery drain, and give a nice bright fllod of usable light with very good range.
https://www.amazon.com/Black-Spread...coding=UTF8&psc=1&refRID=GMTN8F5F7ENWGC771G76
and completely illegal other than at the doc per COLREGS.
https://www.dco.uscg.mil/Portals/9/DCO Documents/5p/CG-5PC/INV/Alerts/1015.pdf
https://www.navcen.uscg.gov/?pageName=navRuleChanges