4K IP PTZ Live-Video Conferencing and Streaming Camera is a new ultra hd 4k ptz video conferencing camera that is designed for video conferencing. 5X, 12X and 20X optical zoom optional, wide angle 72.5 ~84.5degree, 3.1-8.5 mp, resolution up to 4k/30, 4k/25, 1080p60/50, offer ultra-high quality image. this video conferencing camera has a refined aesthetic shape and operates smoothly without noise. it has accurate location, high reliability and long-term stability run, maintenance free. rs232/485 multi-protocol communicationfeatures• real 4k resolution, 12x optical zoom, 8.5megapixels• hdmi, 3g-sdi, usb2.0, ip, support uvc control, poe power supply optional• support h264/h.265, mjpeg compression enabling. • full hd video stream over rtsp, tcp/ip, http. • support ir remote control, rs232/485 controls• support visca and pelco p/d protocol• 9 preset positions by visca, 200 preset positions by pelco• tripod, pole & ceiling mountfor churches, tv stations, lectures, churches, etc