•WiFi connection,support two-way voice intercom •1080P mode,low power consumption sleep function,up to 1 month of standby time •960mAh large capacity battery can be used for 4 hours •Smart alarm,photo push,motion detection,sound detection function •National standard universal 1/4 screw,can be adapted to a lot of accessories on the market Specification: System operating system Lite OS Image Sensor 1/4 inch CMOS sensor Minimum illumination 0.3～0.5Lux (color mode),0Lux (black and white mode) Viewing angle 90° night vision Lens sensitivity automatically switches,6 infrared lights,illumination distance 3 to 5 meters Compression standard AVI Audio enter Built-in-38dB microphone output none Sampling frequency/bit width 8KHz/16bit Compression standard/code rate ADPCM/32kbps Network Network protocol TCP/IP,HTTP,TCP,UDP,DHCP,DNS,NTP,RTSP,P2P,etc. wireless network IEEE802.11b/g/n wireless frequency 2.4~2.4835GHz Wireless security encryption 64/128-bit WEP/WPA-PSK/WPA2-PSK data encryption Wireless connections AP hotspot mode Button Button 1 Turn on and off Button 2 reset button Storage Storage function Support T-Flash card (up to 32GB) Alarm Alarm detection Support motion detection and sound detection Battery 960mAh Physical parameters Rated voltage DC5V±5% Power consumption Working 155mA working environment Working temperature: -10～50℃,working humidity