1: Pixel: 5 million pixels (2560 * 1920), compression format H265 2: Audio: two-way voice, built-in microphone and high power speakers 3: Sensor: digital wide angle dynamic, lens: focal length 4mm, F2.0mm 5: Fill light: infrared light and white light, with 3 light modes 6: AP hotspot: supports AP mode hotspot, you can monitor it by mobile phone without network 7: TF card storage: support 4G-128G TF card, support mobile phone playback 8: support dual-band Wi-Fi: support 2.4G and 5G Wi-Fi at the same time 9: AI intelligence: support humanoid tracking and humanoid detection 10: Windows PC: support VMS, ispy, Blue Iris, IE browser ... 11: Protocol: RTSP / Onvif / UDP / TCP / DHCP / DDNS / UPnP support "