5.5 x 2.1 MM 10A DC Power Jack Socket Dc099 30V Threaded Female Mount Connector Adapter with 3.94 Ich 18AWG Cable and DC Barrel Jack Plug Male Lsgoodcare 5.5 x 2.1 MM industrial The neck pad is included B004YXW94O The neck pad is included because our continuous social media poll of patients with sleep apnea (as clinically evedent by AHI and snoring index) have overwhelmingly demanded CPAP accessories that reduce red lines on the face and neck from headgear Kleenex Pop Up Box Towels 120 Towels per Pack DC Current rating：1A Contact resistance：≤30mΩ Insulation resistance：≥100MΩ Withstand voltage ：50 60Hz 5MM Wall Mount DC: barrel 10v socket for 2