Reference:
QH-NB441-W
"Its auto-adaptive technology to the network, allows you to adjust the frame rate of the video automatically, according to the bandwidth. Includes Web-based management interface, Multiple Network of Coded Equipment for unified supervision on the internet. Does not include lens. 1/3"" Progressive Scan CMOS. WiFi network encryption WEP, WPA, WPA2. 30FPS @ 1080P, 2 mpx, 0.1 Lux. Autoiris, IR cut filter. C / CS * lens mount. Two-way audio communication, Alarm, RS485. SD card slot Onvif support, DC12V Analog video output (BNC)."