Wireless connection, remote active awakening, two -way voice intercom. Quickly start, start video in 400ms. Human mobile intelligent detection, intelligent alarm push. 4.5000mAh battery power supply, low power reminder. Double light source, full color day and night. Free 3 -day cloud storage alarm videos, size SD local storage cycle video. Support external 5V solar panels, continuously transport power supply, and the equipment is continuously electrified. Smart AI identification object. System operating system: Linux. App: o-kam / graffiti. Visual angle: D130 ° diagonal diagonal. Video: black and white night view, 5-10 meters. Audio input/output: built -in -38DB microphone, built -in 8? 1W speaker. Power supply: comes with 5000mAh battery power supply, 218650, supports external 5V solar board. Work temperature: -10 ~ 55? , work humidity. Number of online users: 4 users watch online at the same time. Network protocol: TCP/IP, HTTP, TCP, UDP, DHCP, DNS, NTP, RTSP, P2P, IPv4, etc. Camera(built in battery).