OMNIHILAdapter Plug Converter 5.5millimeters x 2.1millimeters Female Plug to 7.4millimeters x5.0millimeters Pin Male Plug…

Omnihil Adapter Plug Converter 5.5millimeters x 2.1millimeters Female Plug to 7.4millimeters x5.0millimeters Pin Male Plug…

RLECS 2pcs DC 5.5x2.1mm Male to Male Power Plug Connector & 2pcs DC 5.5x2.1mm Female to Female Power Jack Connector Adapter for CCTV

MOBOREST 12V 5.5mm x 2.1mm DC Power Connector Adapter, 12/24V Female to Female Power Jack Socket for Led Strip CCTV Security Camera Cable Wire Ends Plug Barrel -2PCS