Ktaxon WIFI 960P 4CH NVR Wireless Home Surveillance IP Camera System WIFI Day/Night IR Without Hard Drive

"•The power of Wi-Fi cameras is supplied by cable and plug. Because the cable is only 3.28 ft, there is a need of a socket when you want to put them to the corner.•The effective connection distance of Wi-Fi camera is between 32.8 ft to 49.2 ft....