Base weight to maintain position in all conditions Memory function recalls previous light setting Includes 5 x 1m screw together sections, 1m illuminated section, 1 x 50cm short section for length adjustment Supplied in a double zipped carry bag with weight pocket Requires 2 x 1.5V AAA batteries (not included) Additional sections available separately - T0811 Boat Life Illuminated Marker Pole Extra Section 1m.