... directional real time transmission of audio talk-back 10. Network self-adapting technology to adjust video frame rate automatically according ... capturing13. Auto-retrievey function and auto-connection if the network interrupts14. Powerful web function(Support DHCP,PPPOE,FTP,DNS, ... D1 resolution,Support auto Day/Night,night vision 20meters,10x Optical zoom camera,Pan:0°- 355°continuously, Tilt:0°- 90 ...