TTP111HDPK is a video balun that can use a single cost-effective Ethernet cable to extend HD-TVI/ AHD/ HDCVI/ CVBS signal and power, with the transmission distance up to 300M and the resolution up to 4K (8MP). The equipped power plug can also provide power from the local power supply for a remote CCTV camera. Besides, the balun has built-in ESD, EFT, and surge protection components, allowing the unit to have a longer product lifespan.