D-Tap to DC Barrel Coiled Cable for monitor wireless video transmitter receiver Fit most 5.5 2.1mm devices, it is suitable for Accsoon CineView SE/HE/Quad wireless video transmitter receiver. Plug A: DC 5.5 2.1mm; Plug B : D-tap Male; The Minimum length is about 16 inches (40cm). The Maximun length is about 47 inches (100cm). The 16" to 40" coiled cable allows you a flexible reach and neat setup. Toprig D-tap to DC cable is compatible with Accsoon CineView series products. There is black and blue for your choice.