2pcs DC Splitter 1 to 9 DC Plug Size 5.5X2.1mm DC Female to 5 Male LED Strip Lights CCTV Camera DC power cable 1 to 9 power splitter CCTV camera and DVR connection female plug diameter:5.5mm outer,inner 2.1mm(2.1*5.5 connector) 2pcs per lot easy use for DIY tools