5ชิ้น อะแดปเตอร์แจ็คเสียบ DC Power 5.5x2.1มม. 12V Female to Female

5.5*2.1mm / 5.5x2.1 mm DC double male to male Power Socket Connector CCTV female to female Panel Mounting Jack Adaptor 5pcs 12V DC Power Female to Female Plug Audio Video Connector Jack + Male to Male Plug Jack CCTV Connector Socket 5.5x2.1mm Feature : Material: plastic, metal color:Silver Tone, Black 12V plug size :5.5mmx2.1mm Package Content : 5pcs Connector