[Easy Setup] Wireless means camera and NVR is wireless connection, camere (No battery) and NVR still need work with power cable. The wireless video security system is easy to setup and DIY installation (need DC 12V plug power supply), these WIFI cameras are paired with NVR at manufacturing site. Connect PC/TV monitor to NVR by a VGA/HDMI cable. Support connect router by 2.4Ghz WIFI network or router by Ethernet cable. Finally power on and serve yourself with 24/7 surveillance, true plug and play. 265+ Video Compression Compared with H. 265+ is able to double data compression ratio, while improve video quality with low bit-rate, It enables IP camera to deliver smooth HD video with low bandwidth, in turn, reducing the Network bandwidth and save up to 50% video storage space.