2.1mm X 5.5mm DC Power Cable Male to Male Coupler Gender Adapter

JacobsParts DC Coupler Female to Female F/F 5.5mm x 2.1mm Barrel Jack Power Connector Plug for LED / CCTV

Valley Enterprises® 2.1mm x 5.5mm DC Power Coupler Female to Female

2.1mm X 5.5mm Dc Power Cable Female to Female Coupler

Valley Enterprises® 2.1mm x 5.5mm DC CCTV Power Coupler Male to Male

Valley Enterprises 6 inch Male to Male 2.1mm x 5.5mm Plug DC Power Adapter Cable 18GA

Valley Enterprises® 3' Male to Male 2.1mm x 5.5mm Plug DC Power Adapter Cable 18GA

BQLZR USB Female To DC 5.5x2.1mm Female DC Power Supply Extension Adapter Cable Pack Of 2

Hanvex HDCQ6 6ft 2.1mm x 5.5mm DC Plug Extension Cable for 12V Power Adapter and more, 20AWG Cord for CCTV, LED

uxcell 5.5mm x 2.5mm Male Connector to 5.5mm x 2.1mm Female Jack DC Power Adapter Black

PHC DC-3Z 2.1mm x 5.5mm DC Barrel Plug Splitter, 1 Male Plug to 2 Female Jack